World boss Grumbo

Key facts

Team

up to 5

Boss element

changes daily

Area attack

every 4 rounds

How it works

Deal as much damage as you can before your monster falls; retry as often as you like, your best run counts. The boss grows stronger every round, so bring the right element. Daily boards pay at midnight.

Data synced with the game on 2026-11-08 · all numbers come straight from the game. T4–T5 forms and drop chances stay secret.