Blizzard has released a bluepost highlighting the split Heroic difficulty Dawn of the Infinite mega-dungeon coming in Dragonflight Patch 10.1.7! Starting at item level 372, each dungeon will feature four bosses, starting with Chronikar to Iridikron, followed by Tyr through Chrono-Lord Deios!
The new Heroic difficulty of Dawn of the Infinite is also accessible by using Group Finder (I), but you'll need to have an item level of 372 or more to queue.Bosses: 8 (four per part)Difficulty: Heroic and MythicHeroic Minimum Item Level: 372Level: 70Galakrond’s Fall and Murozond’s Rise won’t be available as Mythic Keystone Dungeons until Dragonflight Season 3 kicks off later this year. Here are the bosses you’ll encounter in each section of the two-part mega-dungeon.
Galakrond’s Fall
Chronikar
Chronikar spent her entire life in service to the infinite dragonflight, making her way up the ranks until she earned the title of commander.
Even among the radical infinites, her zealotry is unmatched. As the venerated rearguard, she will stop at nothing to put an end to any who dare oppose her order.
Manifested Timeways
A manifestation of the sands of time itself.
This ancient being is always watching, always waiting for the moment when the Timeways are in peril. She was unable to stop the infinite dragonflight.
Read more on wowhead.com