Crownfall Act IV

The multi-part Crownfall event comes to an epic close with Act IV, "The Spires of Skywrath," including a new overworld map, three distinct quests, new sidequests and minigames, and the introduction of an all-new playable character.

https://www.dota2.com/newsentry/4446834797838336420

https://www.dota2.com/crownfall/