Abominations should be ungrabbable.

[Violetsaber]

With how devastating a monster form is in melee, and with how common the strategy of "just walk away lol" is, i'd say being able to grab the changeling is FINE even if it's not entirely realistic. Just for the factor of it being really really funny to be able to suplex it, even if that's suicidal. I think extended holds should suffer some penalty in the form of damage to the human so they dont just walk away with it. But i'd just make the devour continue prog unless the target moves out of range, and not just when one or the other moves at all. Biggest issue monster forms face isn't being grabbed, it's that everybody is faster than you.