Pokémon Mystery Dungeon: Rescue Team DX VS. Mewtwo but Mewtwo is now more harder than you think

[@pedrojose5313]

Mega heracross arm thrust pin missile bullet seed with rapid bull eyes and 255/+10 attack still destroys 20K HP mewtwo lol

[@MasterKirby]

The game can upgrade to 9,999,999 HP.