Windows Central checked out the The Ancient Gods Part Two
A quote from the article:
The war goes to Hell in a winner-take-all showdown. Doom Eternal was a gory mess of fun, and the DLC has lived up to that same standard. With the launch of The Ancient Gods - Part Two, id Software has completed the current Doom story arc, introducing new abilities, enemies, and an epic final showdown with all of Hell's might.The Ancient Gods Part Two Review
With the Dark Lord unleashed, the story revolves around gathering forces to fight him as you access an awesome new ability across four action-packed levels. It's a satisfying conclusion to the Doom Slayer saga, one that cements Doom Eternal as one of the best Xbox games available.