![halo 2 all skulls halo 2 all skulls](https://oyster.ignimgs.com/mediawiki/apis.ign.com/halo-master-chief-collection/e/e8/F_start.png)
Rescue the Bravo Base in the Halo mission to get a tank or infantry unit as a reward. This will make the hero unit unleash a nuclear explosion if killed. Kill the three Brute Warlords in the Under the Dark mission. Keep the Scarab's HP above 25 percent to get another one. Keep the Scarab alive in The Foundry mission since this will cause Scarab and Locust beam weapons to shoot rainbows. This item cuts the units' HP by half but increases the final score. Make sure that all barricades survive in Hold the Line to get another one. The explosion can damage enemies near them but final score will also go down. In return, the skull will cause Grunts and Marines to explode if they are killed. Make sure that the Particle Cannon's health will not fall to 50 percent in the Hold the Line mission. The piece increases Spartan Slam damage but decreases final score. Prevent the Spartan from completing mission From the Deep to get reward. This rewards players by cutting Power recharge by half. It makes a newly trained unit lose a bit of their HP although final score goes up.ĭestroy a Banished northern expansion base in the Cartographer to get the sixth. Liberate all Lights Out prisoners to collect the fifth. This item decreases unit training time by 50 percent although the final score will go down. Destroy a Banished base hidden on an island in the Ascension mission for the fourth. This piece allows supplies to come in 25 percent earlier. Players will get the third if they don't let any prisoners die in the One Three Zero mission.
![halo 2 all skulls halo 2 all skulls](https://oyster.ignimgs.com/mediawiki/apis.ign.com/halo-master-chief-collection/9/94/Hmcca19.png)
This item makes Grunts explode into pieces. Collect all the Power Nodes in the A New Enemy mission to get the second one. It causes Marine grenades and Grunt mines to splatter paint. Players can get the first one by destroying the main base in Ascension mission. There are 15 skulls located in the main game and each has its own traits. Here is a guide on where to find the items and the effects they can use in battle. Halo Wars 2 players will need to collect all the skulls in order to unlock the Collecting A Dream Achievement.