Horizon Focus

Immobilizing a champion causes lightning to strike them

115 Ability Power
Hypershot: Damaging a champion with a non-targeted Ability at over 700 range or Immobilizing them Reveals them and increases their damage taken from you by 10% for 6 seconds.

The Ability that triggers Hypershot also benefits from the damage increase. Pets and non-immobilizing traps do not trigger this effect. Only the initial placement of zone Abilities will trigger this effect. Distance is measured from the Ability cast position.
Builds From

Needlessly Large Rod Greatly increases Ability Power 1250 Hextech Alternator Increases Ability Power. Deal bonus magic damage on attack periodically. 180