After immobilizing an enemy champion, increase your Armor and Magic Resist by 35 + 80% of your Bonus Resists for 2.5s. Then explode, dealing magic damage to nearby enemies.
Damage: 25 - 120 (+8% of your bonus health)
Cooldown: 20s
Resistance bonus from Aftershock capped at: 80-150 (based on level)