Barrier Core is Doom: The Dark Ages’ third chapter, where you exchange rip and tear for smash and punch.It’s just as destructive, don’t worry. There are no secrets to find, so this 100% ...

Doom The Dark Ages Chapter 3, Barrier Core, allows you to get your hands on the Atlan. The Atlan is a massive bipedal war machine that is used by the Night Sentinels to fight against the demon army.