Fight him against a wall or under a rock to limit his movement. The fight ends once his HP drops to 5,000.
Block his tentacle swings (120-150 DMG) and strike the low-HP zombies immediately. A tapping minigame follows where at least half the team must succeed. project slayers mugen train farm
Only enter Hell Mode with a team of four or more to ensure survival and access the significantly increased drop rates. Fight him against a wall or under a