User blog comment:Imothec the dark lord/Arceon, the unchained Turret/@comment-9369480-20130601143549/@comment-7481207-20130601175037

4 second stun is still insanely long you know. For reference, the longest stun in LoL is 3.5 seconds when you hit someone at high range with Ashe's ulti, and it only stuns a single enemy. 4 second AoE stun is very overpowered, especially with that low cooldown.