

The final score will also increase.įirestarter: In the “Hold The Line” mission, have the Particle Cannon stay above 50 percent health. The skull’s effect is all player units have 50 percent fewer hit points. Sickness: In the “Hold The Line” mission, do not destroy any barricades. The skull’s effect is the Spartan “Slams” special ability creates a more powerful explosion upon landing. Total Annihilation: In the “From The Deep” mission, successfully complete the mission without the Spartan being downed. The skull’s effect is all player units slowly lose health from the moment they are built. The other prisoners can be found slightly to the right of the center of the map.

The first prisoner is found to the right at the beginning of the mission. Pestilence: In the “Lights Out” mission, rescue all ten squads of UNSC prisoners. The skull’s effect is all player powers recharge in half the time. The final score will also decrease.Įmperor: In “The Cartographer” mission, before going to the top chamber, destroy both mini-bases on the sides in the central chamber. The skull’s effect is supplies from supply pads arrives 25 percent faster. The final score will also decrease.īountiful Harvest: In the “One Three Zero” mission, do not allow any of the four prison squads to die. The skull’s effect is all player units train 50 percent faster. Pain Train: In The “Ascension” mission, destroy the Banished base at the top of the map. The skull’s effect is marine grenades and grunt mines explode with color. Paintball: In the “Ascension” mission, fly to the island south of your base and destroy the hidden facility’s four structures. The skull’s effect is killed grunts explode into confetti. Grunt Birthday Party In the “A New Enemy” mission, capture all four of Decimus’ power nodes. Successfully complete the indicated task (optional objective) in the listed mission to unlock the corresponding skull:
