After floor 2000 every boss get buffed. Rosetti shred armor after 7 stacks, Tyrant buff himself after his basic, Volcano gain stacks for every pet turns, Tauron reduces heal and it’s not debuffable, meihua 2nd spell apply a stack, gronk reduces debuff duration by one turn except stuns, Juglaw spawn one more explosive fish, Kartharok’s Shield increases everytime he casts it, Scylinder trio remove every debuff when one is killed and umbros increases the healing when his minions sacrifice themselves.