The stun applies to the first ability that lands when the stun is available. If you cast Disintegrate followed by Incinerate while the stun is available and Disintegrate is in the air, the stun will apply to Incinerate.
The stun will not be consumed if the target of Disintegrate dies, becomes untargetable or the projectile is destroyed by Wind Wall.
COST: 60 / 65 / 70 / 75 / 80 mana
Active: Annie hurls a fireball at a target enemy unit, dealing magic damage on-hit.