Talk:Zhonya's Hourglass/@comment-173.85.13.208-20110105051858/@comment-220.255.1.45-20110705022445

2 sec of invuln > 630hp (max RoA) for squishy mages.

that being said, you DO need some kind of aura damage spell (uninterruptible AOE-DOT) for the active to be really worth it. even then, eating half the enemy team's CC and burst dmg must still be worth some hefty gold.