WARNING: Patch 11.2 spoilers in this post! Do no proceed if you don't want spoilers!
Chapter 5: The Light of K'aresh
Chapter 5 starts with the quest Manaforge Omega: Dimensius Looms, which requires us to venture into Manaforge Omega and defeat Dimensius the All-Devourer. Through the Manaforge raid, we're unable to stop his rebirth, with the fourth boss of the raid, Forgeweaver Araz, sacrificing himself to kickstart Dimensius's rebirth process.
Forgeweaver Araz's encounter journal description:
Forgeweaver Araz controls all operations within Manaforge Omega, ensuring a constant flow of energy into its central chamber. He now stands as the first witness to Dimensius' rebirth, and will strive to see his work through--at all costs.
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Forgeweaver Araz: Foolish corporeals! My sacrifice completes the ritual and hastens our Lord's return.
Xal'atath: What zealotry. What loyalty. Sacrificing himself to power the machine.
Xal'atath: If only the rest of you had that kind of commitment! You will need it now... Dimensius's reformation is inevitable!
After we finally make our way through the Dimensius fight, we defeat him, and his essence is absorbed into the Dark Heart by Xal'atath. In the final cutscene, Locus Walker attempts to pick up the overcharged Dark Heart and becomes overwhelmed by its energy before being killed by Xal'atath.
One thing to note, though - We loot a Dimmed Crystal from Dimensius before Xal'atath manages to absorb his essence fully.
This crystal starts the quest An Elegy for a Silent World, and as we hear a faint song of confusion and fear coming to it, we bring it to Ve'nari at the Oasis. Ve'nari mentions the song emanating from the crystal as you approach her, singing to her. She then asks you to place the crystal at the Oasis in A Lullaby of Hope. The Dimmed Crystal ends up being the remnant of K'aresh's worldsoul, which both Dimensius and Xal'atath failed to obtain.
Ve'nari: What do you want, <player>?
Ve'nari: It can't be. Is that...
Ve'nari: That song...
Ve'nari: K'aresh! The Worldsoul!
Ve'nari: So diminished. But not beyond saving.
Ve'nari then reveals that, since betraying us at the end of Chapter 4, Soul-Scribe and the Wastelanders are attacking an eco-dome Ve'nari kept hidden this whole time, and where we could take K'aresh's worldsoul to thrive in: Eco-Dome Al'dani. We're tasked to clear the dome for Ve'nari in A Song for Our Future.
As we reach out and defeat Soul-Scribe, Ve'nari also arrives with the remnant of the Worldsoul in hand. As we talk to Ve'nari, a cutscene plays, where Ve'nari shows the Worldsoul to Soul-Scribe, allowing her to finally fulfill her oath by untethering herself and becoming one with the Worldsoul, allowing for K'aresh to flourish once more.
With this, the K'aresh Campaign is over, and as a reward for completing the campaign, you'll gain access to a new campsite for your character selection list - Fate of the Devoured!
