Shadowlands: Eternity's End Content Update Notes

news.blizzard.com:

Zovaal, the elusive Jailer and ruler of the Maw in the Shadowlands, has made his next move—and with it, he threatens to rewrite the rules of reality. In Eternity's End, you'll face him, and perhaps save Azeroth and the Shadowlands from a fate worse than death.

Zereth Mortis was created by the First Ones as a workshop to create afterlives. Its denizens—the automa—have built all that exists in the Shadowlands. It is a strange, otherworldly location that defies all concepts of reality or physics. The Jailer intends to use the secrets of Zereth Mortis to reshape reality and bend it to his malevolent will.

Completing various activities throughout the zone, such as map exploration, collecting hidden treasures, and finishing quest storylines will earn you an achievement, Unlocking the Secrets, that allows you to ride flying mounts in Zereth Mortis. [LEARN MORE]

The Enlightened are brokers that arrived on Zereth Mortis a long time ago. They no longer see their world in a transactional manner, but instead they treat their dwelling as a sacred place, and hope to answer to a higher calling—the pursuit of knowledge. Find common ground with The Enlightened to succeed and defend Zereth Mortis.

The automa of Zereth Mortis speak in a musical language that is incomprehensible to mortal races. Team up with a curious automa sidekick in this new progression system to learn the lost language of the Progenitors and delve deeper into the secrets of Zereth Mortis, unlocking an array of new zone activities, daily quests, events, and rewards.

The Forge of the Afterlives is a powerful instrument of creation, and all that remains of the First Ones. Just as it serves to create new realms for the Shadowlands, Synthesis Forges have been used to create the