Immobilizing a champion causes lightning to strike them
About
75 Ability Power
25 Ability Haste
Hypershot:
Dealing Ability damage to champions at 600 range or greater Reveals them for 6 seconds.
Focus:
When Hypershot: is triggered, Reveal all other enemy champions within 1400 range of them for 3 seconds.
Fiendish Codex
Amplifying Tome