"Only issue with sleep is it might have an ability like Insomnia." But that's such a situational example. It might not, so it could be worth a try all the same. "Confusion and paralysis might make a pretty solid combo, actually. Or..."

He pauses, realizing something.

"Perish Song. I dunno if it'd work on something that powerful, but if anyone's got a Lapras on hand..." Well. That's one way to slay a titan, so to speak.