← World bosses
Shared encounter
Rewards sent · Machine Graveyard
The Rust King
Kindling · ends 14 Aug 2026, 23:00
Break 0 / 1,000
500,000 / 500,000 HPCrews
Milestones
No milestone has been reached yet.
How this boss fights
Manage furnace heat. Breaking pressure attacks vents the furnace; reaching 100 heat triggers Overheat and Burning.
Read the telegraph
Defend against Hammerfall. Use Break against Boiler Pressure and Molten Deluge.