Iron. Effect: Dying in co-op resets you at your last saved checkpoint. Dying solo restarts the level. …

Halo 5: Guardians - Find the Skull Locations | USgamer Oct 29, 2015 HALO 5 | ALL SKULL LOCATIONS (Halo 5 Guardians Skulls Oct 28, 2015 Mission 3 - Glassed - Halo 5: Guardians Wiki Guide - IGN

Oct 27, 2015

Oct 27, 2015

Halo 3 - Skull Guide - Xbox 360 - By sokkus - GameFAQs

Achievement Guide: Halo 5 - Skull Location Guide - YouTube Oct 27, 2015 Halo 5: Guardians - Skull Guide - Xbox One - By sokkus Oct 28, 2015 Skulls - Halopedia, the Halo wiki Halo 5: Guardians Skulls - In Halo 5: Guardians, skulls are collectible within the Campaign. To use a skull,a player must collect one then turn it on. After collection, the skull is permanently available for use. Once activated, a skull makes gameplay either more humorous, or more challenging.