Halo: Campaign Evolved MYTHIC Achievement — How to Unlock
How to unlock the Halo: Campaign Evolved MYTHIC achievement: Complete the Campaign with LASO enabled.
LASO REWARD
MYTHIC achievement
Complete the full campaign with LASO enabled to unlock MYTHIC: a Gold trophy, 50 Gamerscore and a Steam achievement.
Gold trophy50 GamerscoreSteam achievement
See the LASO rules and all 17 Skulls Sources
Last reviewed: July 24, 2026