[ derek can't blame isaac for the reaction, he'd been much the same when he'd seen scott's eyes glow red in the alternate version of asgard. and of course, when he'd learned the truth about it, he'd still had a hard time believing it, what with true alphas being so incredibly rare.

his tone remains even despite how isaac seems to get a little panicky. ]

Scott didn't. He didn't need to take the power from anyone. It's what being a true alpha is all about.

[ and to clarify that he's not a rotting corpse back home either, he continues quickly; ]

And nobody else stole it either. Just not in the sense you're thinking.