Bosses
2 entries in this hub.
Bosses
Steel Fighters Bosses
Named Titans from Update 1. Arena bosses exist in the game description and in the Boss Slayer title, without published names.
Junkyard Titan and Space Titan.
FAQ
Steel Fighters Bosses FAQ
How often do Titans spawn?
Update 1 says bosses spawn every 40 minutes. It does not split that timer by boss.