Challenge Assistance

Complete each of the following Encounters.

Defeat The Hallowed Husk in Palace Map after it has cast Blood Rain at least 3 times and without having stood in the Proximity Shield bubble
Defeat the Trio of Bosses in Vaal Temple Map by killing K’aj A’alai last
Defeat Aulen Greychain in Fungal Hollow Map while both you and him are affected by Immortal Call
Defeat Chayula, Who Dreamt without being hit by Chaos Cyclone projectiles and after they have used Chaos Cyclone at least 3 times