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Running Up That Mountain, Part 3

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(The final book in The Alpha God series.)

Great sacrifices are what save the future.

With the powerful Infinite Core now in their possession, Charlie, Kal, and the Zodiac Pack have a chance to turn the tide against the ruthless Sworne. But to harness its devastating power, they must build a machine capable of ripping through the fabric of space itself—an endeavor that will take valuable time they don't have as the Sworne close in. Even with the perfect machine, Charlie isn't prepared for what price she and Kal will have to pay to protect their planet and families.

With a total war on the horizon, can Charlie and Kal find a way to save Kander before it's swallowed whole by Omnis-sar?

* * *
Running Up That Mountain, Part 3 is Book 10 in, and the conclusion to, The Alpha God series. It includes F/F Omegaverse*, Sci-fi Romance, Adventure, Erotic Romance, G!P*, and a happily ever after.
119,000
*See the author's blog for more details about Omegaverse and related terms.

422 pages, Kindle Edition

Published April 25, 2025

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About the author

Lexa Luthor

32 books497 followers
Lexa Luthor is an avid writer and reader of the Omegaverse trope especially including F/F pairing. In her books, each main character(s) is a strong-willed female, who navigates difficult situations but always ends up finding love with their mate. Every tale has a twist and is gripping, sexy, and even a bit adventurous.

When not writing, Lexa enjoys binge watching television shows like Game of Thrones, Gentleman Jack, or The L Word. Her other favorite hobbies are playing cornhole, rooting for the Kansas City Chiefs, and laying around the pool in the summer. At times, Lexa finds time to read romances (both dark and fluffy) and great sci-fi books but nothing else can beat a steamy, downright erotic F/F romance with biting, knotting, and slightly possessive love.

To learn more about Lexa, please visit her website and be sure to join her newsletter!

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5 stars
85 (72%)
4 stars
23 (19%)
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7 (5%)
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2 (1%)
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Displaying 1 - 19 of 19 reviews
Profile Image for Patricia.
553 reviews13 followers
May 19, 2025
when I first started reading this series, I came because of the promise of steamy scenes, fun and adventurous characters with a touch of friction. And certainly, it was all that and I stayed, now I'm leaving (not by my choice) with so much more.

Now about this story, it gave me that weird feel of when you're waiting for the shoe to drop, so I was full of apprehension during most of my read, then 30% passed, 40, 50 and I relaxed a bit. Rookie mistake. Been a while since I sobbed this much because of fictional characters. I was incredulous, even when I read what I read, but deep down I knew it would happen and even the outcome afterwards, but I couldn't help myself but ugly cry at the wee hours of the night when actually witnessing everything.

this book and the whole series was worth every penny of it and more. I hope I can import the paperback soon. Lexa os such an amazing writer, I'm lucky to read whatever she puts out there.

p.s.: even though I really love it, I think the very ending was a bit rushed and some details didn't have the usual touch Lexa usually gives, you know... taking time talking about it, but with the short coming soon, it may solve this feel
Profile Image for Em Lewis.
370 reviews17 followers
July 19, 2025
We waited so long for the final book in this epic saga and it was worth the wait.

Hang on…..I’m now waiting for the release of…..I Wife…hurrah for that!
Profile Image for Alia.
286 reviews46 followers
Read
May 3, 2025
This was my least favorite, I am kind of shocked, but excited to read the final side story when it comes out.

I am so fond of this series, I could read Epilogue #258763156 if it existed.
Profile Image for K Cao Xai.
76 reviews2 followers
March 26, 2026
WHAT I LIKED:
It might look like I have a lot I disliked about the story, but I’m rating this with four stars based on how well it was written, not on how I’m feeling about it. Don’t let my list below deter you from reading this final installment of the series. It really is a great story with awesome characters, which is why I’m so invested and emotionally indisposed about it.

WHAT I DIDN’T LIKE:
I thought Charlie and Kal agreed not to do things apart anymore. I thought Kal learned it’s okay to be a little selfish in life. I thought Charlie was going to make good on her promise to get Kalatas to honorably set Kal free so Sumner can live the rest of her days with Charlie and a pup.

Was there a happy ending? Yes. But was it satisfying? Not to me, no.

I’m angry at myself for getting so worked up because at the end of the day, yeah, it’s just a book with fictional characters, but I love to immerse myself in these stories, to root for these people, to see them thrive, overcome their flaws, and find their happiness. Yes, they accomplished all this by the end of the story, but not at the level it needed to be in order to be considered a true resolution in my opinion.

Charlie has always found a third option when faced with a dilemma she didn’t like. Throughout the series, she found a way to improvise if her Plan A didn’t work out. So, I’m baffled she and everyone just went with the one option they had when Kal presented it. It made sense for the story, it made sense for the characters, but I didn’t like it one bit because doesn’t that just mean they let the gods and fate decide how to work things out for them, rather than take things into their own hands like they’ve been doing for the entire series?

I wanted all these wonderful side characters to get the resolution they deserved, yet the story ended a little too quickly for anything fulfilling to be had. The side characters I adored so much just played their parts and didn’t get the chance to act on what they wanted to do after the war. No one had enough page time to make me feel like, “Finally, now they can live their lives without fear of the Sworne.”

The Celestial Fates must be laughing at how much emotional investment I put into loving these characters, because the story went in a direction I DID NOT want it to go. All the little breadcrumbs and setups throughout the series that I thought was going to take place didn’t get a payoff. I waited, hoping to see the aftermath of the war, to see the characters do what they said they would once the war was over, but was ultimately disappointed.

Yes, yes, there was a happy ending, I can’t stress that enough, but I wasn’t pleased at the amount or placement of it, because it didn’t do enough to heal the stress and heartache the last one hundred pages caused. It was difficult for me to continue reading after the 60% mark, because I kept going, “Wait a minute, I was promised a happy ending, right?” Then at the 80% mark, I thought, “Hold on, this will all work out somehow, right?” Then at the 95% mark, I nearly screamed, “What the fuck is going on? How is there going to be a happy ending?”

And when that ending came in at the 97-100% mark, I wasn’t cheering, even though it was a good ending, because I was too emotional over the turmoil the last act put me through. And despite how good of the ending was, there wasn’t enough to make me feel as if all the time and feelings I spent with these characters throughout ten freaking books was worth it. I’m just mad because it wasn’t enough, because there was no payoff about what was promised throughout the series.

Sure, I can imagine and infer all hopeful outcomes for these characters after the war, but I would have loved to see it on page.

You know what it feels like? It feels like a girlfriend you’ve been dating for years suddenly telling you she can’t do this anymore, and there’s nothing you can do about her leaving. So you spend days or weeks hurt over the breakup, only for her to show up at your door and say, “Just kidding!” So despite having a happy ending, you don’t feel good because her coming back into your life doesn’t erase all the hurt she put you through.

But you know what? Maybe all my heartache over this final installment in the series is pointless, because guess what? This isn’t the true ending of the series. It turns out, there’s going to be one final short story from Kal’s POV called I, Wife, coming out sometime in the next noreds. Maybe then, this is when all the characters get their true resolutions.

I don’t know if I should be happy that this final short story can maybe show the true ending between Charlie and Kal, but I’m also pissed the real ending wasn’t just in the main series at the end of this book, even if it made the book one hundred pages longer. I would rather have a true ending showing the characters in the aftermath of winning the war here rather than wait a couple more noreds to see it, but I hope to Kalatas and the Omega God and whatever sympathetic Celestial Fates there are, that it’s a satisfying ending to the entire series as a whole, otherwise this book is going to leave a bad taste in my mouth.

Maybe I’ll come back in a few nineths to look over this review and realize it’s not that serious, that I was too emotional and the way this book ended was actually fitting. But until then, I’m still hurt about it. I really hope I, Wife is the conclusion I’m looking for. Again, this was a great story. I just wanted more.

SPICE:
🌶️🌶️🌶️🌶️

TRIGGER WARNINGS:
Profile Image for K Cao Xai.
79 reviews3 followers
August 9, 2025
I'm so devastated.

CHARACTER IMPRESSIONS:
Charlie & Kal/Sumner
I thought these two agreed not to do things apart anymore. I thought Kal learned it’s okay to be a little selfish in life. I thought Charlie was going to make good on her promise to get Kalatas to honorably set Kal free so Sumner can live the rest of her days with Charlie and a pup.

Was there a happy ending? Yes. But was it satisfying? Not to me, no.

I’m angry at myself for getting so worked up because at the end of the day, yeah, it’s just a book with fictional characters, but I love to immerse myself in these stories, to root for these people, to see them thrive, overcome their flaws, and find their happiness. Yes, they accomplished all this by the end of the story, but not at the level it needed to be in order to be considered a true resolution in my opinion.

Charlie has always found a third option when faced with a dilemma she didn’t like. Throughout the series, she found a way to improvise if her Plan A didn’t work out. So, I’m baffled she and everyone just went with the one option they had when Kal presented it. It made sense for the story, it made sense for the characters, but I didn’t like it one bit because doesn’t that just mean they let the gods and fate decide how to work things out for them, rather than take things into their own hands like they’ve been doing for the entire series?

MINOR CHARACTERS:
I wanted all these wonderful side characters to get the resolution they deserved, yet the story ended a little too quickly for anything fulfilling to be had. The side characters I adored so much just played their parts and didn’t get the chance to act on what they wanted to do after the war. No one had enough page time to make me feel like, “Finally, now they can live their lives without fear of the Sworne.”

STORY IMPRESSIONS:
The Celestial Fates must be laughing at how much emotional investment I put into loving these characters, because the story went in a direction I DID NOT want it to go. All the little breadcrumbs and setups throughout the series that I thought was going to take place didn’t get a payoff. I waited, hoping to see the aftermath of the war, to see the characters do what they said they would once the war was over, but was ultimately disappointed.

Yes, yes, there was a happy ending, I can’t stress that enough, but I wasn’t pleased at the amount or placement of it, because it didn’t do enough to heal the stress and heartache the last one hundred pages caused. It was difficult for me to continue reading after the 60% mark, because I kept going, “Wait a minute, I was promised a happy ending, right?” Then at the 80% mark, I thought, “Hold on, this will all work out somehow, right?” Then at the 95% mark, I nearly screamed, “What the fuck is going on? How is there going to be a happy ending?”

And when that ending came in at the 97-100% mark, I wasn’t cheering, even though it was a good ending, because I was too emotional over the turmoil the last act put me through. And despite how good of the ending was, there wasn’t enough to make me feel as if all the time and feelings I spent with these characters throughout ten freaking books was worth it. I’m just mad because it wasn’t enough, because there was no payoff about what was promised throughout the series.

Sure, I can imagine and infer all hopeful outcomes for these characters after the war, but I would have loved to see it on page.

You know what it feels like? It feels like a girlfriend you’ve been dating for years suddenly telling you she can’t do this anymore, and there’s nothing you can do about her leaving. So you spend days or weeks hurt over the breakup, only for her to show up at your door and say, “Just kidding!” So despite having a happy ending, you don’t feel good because her coming back into your life doesn’t erase all the hurt she put you through.

But you know what? Maybe all my heartache over this final installment in the series is pointless, because guess what? This isn’t the true ending of the series. It turns out, there’s going to be one final short story from Kal’s POV called I, Wife, coming out sometime in the next noreds. Maybe then, this is when all the characters get their true resolutions.

I don’t know if I should be happy that this final short story can maybe show the true ending between Charlie and Kal, but I’m also pissed the real ending wasn’t just in the main series at the end of this book, even if it made the book one hundred pages longer. I would rather have a true ending showing the characters in the aftermath of winning the war here rather than wait a couple more noreds to see it, but I hope to Kalatas and the Omega God and whatever sympathetic Celestial Fates there are, that it’s a satisfying ending to the entire series as a whole, otherwise this book is going to leave a bad taste in my mouth.

Maybe I’ll come back in a few nineths to look over this review and realize it’s not that serious, that I was too emotional and the way this book ended was actually fitting. But until then, I’m still hurt about it. I really hope I, Wife is the conclusion I’m looking for, because this one did not do it for me.

HIGHLIGHTS:
    * Highlight 1: The way Starr checked the integrity of the QMT device.
    * Highlight 2: Dorlon finally admitting she has the hots for Laken.
    * Highlight 3: “I don’t get how I ended up befriending two gigantic cock lovers.”
    * Highlight 4: Charlie making Magnar apologize.
    * Highlight 5: “Kal is my mate. We’ve been fucking ever since I took that first job with Kander.”
    * Highlight 6: Charlie volunteering to pack Kal’s bag for her, and Starr not missing a beat when asking, “Are you going to pack my bag too?”
    * Highlight 7: Kal finally telling Omnis-sar to go fuck herself.

PERSONAL TAGS:
    * 3rd person, Charlie’s POV
    * Competent protagonists
    * F/f omegaverse
    * Fated mates
    * Found family
    * G!p
    * Happily ever after
    * Human female / she-alpha
    * Mercenary / high commander
    * Narrative cohesion
    * Ripped my heart out even with a happy ending
    * Sci-fi (with a bit of fantasy)
    * Spice Level: 🌶️🌶️ (steamy)
    * TRIGGER WARNING:
23 reviews
April 29, 2026
Emotional roller coaster

I read the final Book 10 of The Alpha God series - Running Up That Mountain, Part 3 whilst on holiday in Greece. The weather was glorious, the Greek people were lovely, the sea was every shade of blue and I was crying. I was so emotionally involved with this final book, it consumed me and I was determined to leave a 5* review before I left. I had so much to say in my head about what a wonderful series it has been, I didn't know where to start, so I cheated. I used ChatGPT and to be honest, it's everything I wanted to say but so much more coherently. So, here's the review:-

The The Alpha God Series delivers exactly what its title promises—power, intensity, and a magnetic pull that’s hard to shake. This is not a quiet, slow-burn read; it’s dramatic, emotionally charged, and designed to keep you turning pages late into the night.

What stands out most is how gripping the storytelling feels. The pacing rarely lets up, blending romance, conflict, and suspense in a way that keeps tension high throughout. The emotional stakes are front and center—characters aren’t just going through events, they’re feeling them deeply, and that emotional weight carries the series.

A particularly interesting touch is the use of modern cultural references. Mentions of contemporary music and films add a sense of familiarity and immediacy, grounding the more fantastical or heightened elements of the story. Instead of feeling dated or distracting, these references often help readers connect more directly with the characters’ moods and experiences — almost like a soundtrack playing in the background.

Character dynamics are another strong point. Relationships tend to be intense and rarely dull. The “alpha” energy is unmistakable—dominant personalities, power of love struggles, and emotional push-pull dynamics drive much of the narrative.

In short, The Alpha God Series is:

Emotionally immersive

Fast-paced and dramatic

Packed with modern cultural touches

Focused on intense, high-stakes relationships

If you’re looking for something calm or literary, this probably isn’t it. But if you want a series that feels cinematic, passionate, and unapologetically bold, it hits the mark.
112 reviews4 followers
April 17, 2025
Whew! I have absolutely loved this series. Kal, Charlie, Kaden and the pack face down Omnis-sar for the survival of Kander. Through all the trials and tribulations Kal and Charlie have faced, this final battle in the war to save their planet may cost them the most. These characters have all grown so much through the series and it continues throughout book 3 as well. The importance of the supporting cast continues to be a huge anchor for in Kal and Charlie's story and Charlie really needs them now more than ever in this one. If you've been invested in Kander, you won't be disappointed in this one but you will end up in your feels. If you've not found Kal and Charlie and are open to Omegaverse, start with book 1 and binge it, you won't be disappointed!
6 reviews
March 2, 2026
Totally awesome!!!

What a series of books. The humour, the action, the battles physical and emotional. The tension in waiting for the next book, the next gripping tale. Then the emotional tension that came with the sacrifice of Kal. Not knowing or believing it was going to happen. Understanding the pain Charlie was going through but still not believing Kal was dead. How this reader thought there would never be a happy ever after for Charlie and Kal. Oh, how wrong I was!!!. Thank you for a wonderful series of books that I really thorougly loved to read. Kalstar and Charlie forever!!!
Profile Image for MH.
361 reviews8 followers
November 4, 2025
I don’t ordinarily get weepy about stories or movies, etc, but this one had me nearly crying after Kal briefed Charlie on the plan to defeat Omnis-sar. The ending was hard-fought and long in coming. Ten books plus extras with one extra to go. I am sorry it’s over, but I am also happy it’s finally over. Lexa is an exceptional author, and I hope she writes further epic SciFi novels. For people who would like to binge a finished SciFi Romance series, I recommend reading “The Alpha God” series. I really don’t think you can go wrong with it.
Profile Image for Holly Violet.
152 reviews4 followers
April 27, 2025
Intense

If you've made it this far then I suspect you won't be reading this review but I will leave it anyway for anyone who needs it. Wow, what an ending. Fast paced, emotional, exciting! A brilliant climax to a truly engaging series. If for some reason you have come here before buying the series. Press the purchase button (just buy all of them to save time) and get to reading. You won't regret it.
Profile Image for T.J. Dallas.
Author 16 books349 followers
July 19, 2025
Oh my god, I can't believe this amazing series has finally ended!

Holy shit, this finale really took it out of me. I am a bubbling wreck! I tried to drag out reading this last book for as long as possible because I didn't want to have to admit that the series had truly ended, but as soon as Omnis-Sar appeared on the horizon, I was 1000% invested and couldn't stop. A gigantic five stars. Such a brilliant series, with characters that will live on in my heart <3
Profile Image for Kitty.
196 reviews5 followers
July 25, 2025
What an ending to a FANTASTIC series 😭😭😭😭. Kal & Charlie deserve everything. I'm so sad to only have one novella left of their story. I started crying at 59% and pretty much didn't stop for the entire second half of the book. but it was worth it ❤️❤️❤️
This entire review has been hidden because of spoilers.
155 reviews
April 25, 2025
Heart breaking

I wish this wasn’t the last book in the series, Charlie and Kal have a lot going on that wasn’t fully explored. This has been wonderful and please don’t stop there.
6 reviews
April 29, 2025
Loved it

This was a great ending to great series. I hope the author's has more good stories coming soon because I her books.
22 reviews
June 25, 2025
amazing

This series is spectacular in every way! Definitely 5⭐️’s!
I can’t even begin to describe how awesome this story is!
Profile Image for Amber.
156 reviews
August 2, 2025
This series is amazing! I’ve tread through it 3x already. Well written. Great character development. Spice, action, and evil invaders.
Profile Image for Zayne.
794 reviews9 followers
March 18, 2026
Great send-off for the main characters. I wanted more with Dorlon and Laken in action alongside Charlie, but this was great.
13 reviews1 follower
May 20, 2026
One Hell of a roller coaster . It left me speechless and looking for "The happy ending" I was promised 😂💔♥️
Profile Image for Dulaine Roode.
381 reviews4 followers
February 27, 2026
What an ending.

Kal and Charlie gave the ultimate sacrifice to safe Kander and their pack. But then at the end I was spilling tears, because of Charlie's heartbreak after the war. I will now read the last novella to see what Sumner and Charlie get to experience now.
Displaying 1 - 19 of 19 reviews