The Sunblade!

"I kinda stole the Murderbots from there along with their source code," Kayden said, his voice carrying the casualness of someone admitting they'd borrowed a pen without asking.

"I tweaked the code a bit, threw in some blades on their guns. We can't rely on technology alone." He paused, casting a meaningful look at Kaisen. "Not for long."

That was Kaisen's cue, the signal in the subtext that Kayden had just handed him a loaded gun. But if he didn't tread carefully, Kayden could easily use his desperation to go back home against him.

One wrong move, and he could lose every advantage he had. And Kaisen wasn't about to let that happen. Even if excitement buzzed in his veins, he couldn't show it. He needed to play this right, to squeeze every last drop of benefit from this twisted reunion.