Horizon Focus

Stats

Values as the League of Legends Wiki's item data lists them, for every mode; the data doesn't state their units.

Effects

• Hypershot (unique): Dealing ability damage to a champion with a champion ability at cr 600 or more units away from the cast position marks them for 6 seconds, standard sight them and increasing your damage dealt to them by 10%.
• Focus (unique): Upon triggering Hypershot, grant sight of the area cr 1400 units around the target for 2 seconds and apply Hypershot's mark to enemy champions within the area for 3 seconds.³

Arena changes

• Ability power changed to 90.⁴

• Horizon Focus can be included in a Mundo Q build with magic penetration and damage amplification items.⁵
• Horizon Focus is a luxury item; penetration items such as Void Staff and Shadowflame can provide more opportunities.⁶

Earlier formats

• Horizon Focus triggered more than one nerf: pets and summons could no longer trigger it, and slowing effects could no longer trigger it either; whether vine lashers triggered it through slowing was uncertain.⁷ 8x2 duos
• Horizon Focus's description stated that pets did not activate its passive extra damage.⁸ 8x2 duos