User blog comment:Sagee Prime/Champions bugs!!! What are they? I must know!!!/@comment-3360527-20110404135646/@comment-3418656-20110404180332

To be honest, every spell that does damage triggers minion aggro.. and that's the reason why Zilean's Time Bomb now deal 3,2,1 damage before exploding. In this way, he cannot safely harass under tower while before he could place a bomb and he had 3 seconds to run outside the range.