Halo Wars 2 skulls
From Halopedia, the Halo wiki
Skulls are game modifiers featured in Halo Wars 2. When unlocked and activated they can alter gameplay difficulty and add interesting features.
How to find them
There are fifteen Skulls in total and they are awarded for completing specific Primary Objectives, Optional Objectives, or unmarked tasks throughout all of the missions in the game with the exception of the Prologue, The Signal.[1]
Campaign Skulls
Grunt Birthday Party
Level: A New Enemy
How to unlock: Capture Four of Decimus’ Power Nodes.
Paintball
Level: Ascension
How to unlock: Destroy the Banished base.
Pain Train
Level: Ascension
How to unlock: Destroy the hidden facility’s four structures.
Bountiful Harvest
Level: One Three Zero
How to unlock: Don’t let any of the four prison squads die
Sources
- ^ [https://www.xboxachievements.com/game/halo-wars-2/achievement/129242-Collecting-a-dream.html, accessed on 31/07/17