Here's where to find every Slayer Gate and Doom Eternal key. The Cultist Base Slayer Gate Key is located in plain sight right next to the Slayer Gate itself. You'll find both in one of the final ...

Here’s how to get the Doom Eternal Unmakyr by finding the six Empyrean Keys you need. The Slayer Gate on Exultia ... find during the ‘Infiltrate the Cultist Base’ part of this level is ...

In Doom Eternal’s third mission ... A Slayer Key is hidden in the “Cultist Base.” You need the Slayer Key to open the Slayer Gate, which gets you one of the six Empyrean Keys.