Mid
Katarina
the Sinister Blade
Reset-based assassin who chains kills by jumping to her daggers.
Should you main Katarina?
Katarina is a mid champion rated mechanically demanding, with damage: magic, range: melee, durability: squishy, fight role: hard engage, power curve: mid game, damage pattern: burst.
Katarina has a high skill ceiling. Expect a rough first stretch of games before the champion pays off.