Heavy MetalEarn all Trophies  DoomsdayComplete Hell on Earth  The Hunters Became the HuntedKill the Doom Hunters  Interplanetary FrackingBlow a hole in Mars  Thumbs DownBest the Gladiator in the coliseum  Reforged and RefueledAcquire a new Crucible in Taras Nabad  NontraditionalistKill the Khan Maykr  IconoclastKill the Icon of Sin  The Once and Future SlayerComplete the Campaign on any difficulty ...