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Skulls in Halo: Spartan Assault make missions more difficult but provide a boost to XP earned at the end of the mission. Like in Halo: Reach and Halo 4, all skulls are all unlocked and can be used from the start.
List of SkullsEdit
Up to two skulls can be active during a mission. Activating a second skull provides +1 to the XP multiplier on top of the skulls' combined multipliers up to a maximum of ×4.5. For example, the Blind and Thunderstorm skulls together amount to a ×3.0 multiplier.
|Skull Name||Short Description||XP Multiplier|
|Hollow||The Spartan only has a shield.||+2|
|Pacifist||Shields and armour deplete while firing weapons.||+2|
|Famine||Dropped weapons have much less ammo.||+0.5|
|Black Eye||Shields only recharge from melee attacking enemies.||+1.5|
|Thunderstorm||Enemies have more health.||+1|
|Blind||The HUD is hidden.||+1|