Who is the half-demon character in Divinity: Original Sin 2 who you talk to to transition between acts?

The half-demon character in Divinity: Original Sin 2, who you talk to in order to transition between acts, is Malady. She is an enigmatic and powerful figure that aids the player's party throughout their journey. Not only does she possess vast knowledge and a mysterious past, but she also holds the ability to traverse between realms, making her the perfect guide for transitioning between acts in the game.