15 Ability Haste 550 Health 860 Mana Grants bonus health equal to 15% maximum mana. Immobilizing, or slowing if you are melee, an enemy champion grants a 100−180 (+4.5% of current mana) shield (depending on level) for 3 seconds (8 second cooldown). The shield's strength is increased by 80% if there is more than one enemy champion within 1200 units.