Jayce Ability (LoL): Mercury Cannon / Mercury Hammer

Mercury Cannon: Jayce transforms his weapon into the Mercury Hammer, becoming melee ranged and gaining new abilities and 5 / 15 / 25 / 35 (+0.075 per bonus attack damage) armor and magic resist. Jayce's next attack deals an additional 25 / 60 / 100 / 130 (+0.3 per bonus attack damage) magic damage (depending on level).

Mercury Hammer: Jayce transforms his weapon into the Mercury Cannon, gaining attack range and new abilities. Jayce's next attack removes 20 / 25 / 30 / 35% armor and magic resist for 5 seconds.