Active: Pantheon begins channelling. If Pantheon goes uninterrupted for 2 seconds he will leap into the air, becoming untargetable. Pantheon will then begin plummeting toward the ground at the target location within 5500 range, striking after 1.5 seconds and becoming targetable once more.
Enemies within a 700-unit radius of the point of impact will take magic damage and are slowed by 35% for 1 second. The magic damage diminishes over the area down to 50% to enemies at the edge.
Grand Skyfall will go on a reduced cooldown regardless of how the channeling was cancelled, whether it was manually done or via hard crowd control. However, the mana cost of the cast is not refunded.
Pantheon is considered to have moved to his target location as soon as he completes his first channel.
Although he visually leaves the entire screen midway through the ability, Pantheon is still considered to be targetable for the entire channel. The damage of the ability will still occur if Pantheon is CC'd before he lands.