Isaac lowers his hand after a moment when Scott speaks, not sure how to feel about this sudden revelation. Even now, he can feel it thrumming in his veins, even now there's an impulse to lash out with his claws and tear into Peter. He quells that impulse, like he quells most of them, and pulls back just a little.

"...really? Cora wasn't- oh." Isaac bites his lip, moving back to stand. His breathing is a little harder than it would be otherwise, he's still using quite a bit of energy to fight the moon.

"It kind of sucks. That we can't, I mean. Maybe his sister was like Peter? Did you know her before she died?"