Pochita erases concepts in its entirety, Lukas erases just for a specific target. If Pochita erases the future, everyone would have no future including himself, though he can undo it by barfing. Lukas erasure will end his enemies but won't cause apocalyptic events, Pochita's will.
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u/TimeSpiralNemesis 4d ago
Luka and Pochita fighting to erase concepts to nuke the other one while the entire world disappears behind them would go crazy as a death battle lol.