Bethesda has unveiled the first trailer for its upcoming DOOM Eternal DLC Expansion The Ancient Gods: Part One, which now officially lands on Xbox One on October 20th.

You can check out the video above, and take a peek at the description below:

Your war is not over… slaying the Khan Maykr left an imbalance of power that threatens all of creation. With the aid of an old ally, battle your way back to Urdak and decide the fate of the cosmos. Your mission is now your own.

Will you be picking up DOOM Eternal's first expansion? Let us know in the comments.