Corrupted Skynest

Corrupted Skynest is level 70 (originally level 69) dungeon released in March 2020.

Dungeon teleporter in on new island added outside Verrak Fortress main island.

It's removed along (also hard more) with patch v108 release at August 2021.

Lore
After Virienne discovered Kelsaik's body was gone, the federation found a hidden Argon base.

The argons and the Azart Army attempted to resurrect Kelsaik.

Bosses

 * Kelsaik, Akalath Mutilator (level 73)

CS Kelsaik is unique boss with 300 crit resistance. This means you have to gear for significantly more crit than other dungeons. (232 FA, 220 AQ, 210 other dungeons). This boss is type "Argon".