Kassadin counters (Mid)

Common role: Mid

The best counter to Kassadin in Mid is Zed: 54.5% win rate over 852 ranked games on patch 26.21.

A late-game monster who blinks around fights and is nearly unkillable at 16.

What makes Kassadin dangerous

Kassadin is weak and passive early but becomes one of the scariest scaling mids in the game. His ultimate is a short-cooldown blink that lets him engage, dodge and reposition endlessly, while his kit shields against magic and silences. Once he hits level 16 he can one-shot squishies and is almost impossible to pin down.

How to counter Kassadin

• 1Punish him HARD before level 6-16 — Kassadin is one of the weakest early laners. Push, roam, take plates and end the game before he scales.
• 2Deny his farm and level lead. His power is entirely tied to hitting his level spikes; slow his XP and you delay his takeover.
• 3In the late game he'll blink onto your carry — bring hard CC and peel. His only defense is mobility, so lock him down the moment he engages.
• 4Close the game as a team before ~35 minutes. The longer it goes, the more unbeatable Kassadin becomes.

What are Kassadin's weaknesses?

• ✓Extremely weak early game — abuse the first 15 minutes.
• ✓Scaling-dependent; a fast game denies his spikes.
• ✓Squishy and killable if you lock his mobility with CC.
• ✓Falls behind if denied farm and XP.

Abilities & how to counter them

What each of Kassadin's abilities does — and how to play around it.

• P
  Void Stone

  Kassadin takes reduced magic damage and ignores unit collision.

• Q
  Null Sphere

  Kassadin fires an orb of void energy at a target, dealing damage and interrupting channels. The excess energy forms around himself, granting a temporary shield that absorbs magic damage.

• W
  Nether Blade

  Passive: Kassadin's basic attacks deal bonus magic damage. Active: Kassadin's next basic attack deals significant bonus magic damage and restores Mana.

  Strong: empowers his damage and shields against magic. Weak: he's melee — poke with physical or all-in before he has energy for it.

• E
  Force Pulse

  Kassadin draws energy from spells cast in his vicinity. Upon charging up, Kassadin can use Force Pulse to damage and slow enemies in a cone in front of him.

  Strong: a cone that slows and silences, stopping your escape and casts. Weak: it's a skillshot — sidestep it and he can't lock you for his combo.

• R
  Riftwalk

  Kassadin teleports to a nearby location dealing damage to nearby enemy units. Multiple Riftwalks in a short period of time cost additional Mana but also deal additional damage.

  Strong: a short-cooldown blink — endless engage, dodge and escape, near-unkillable late. Weak: costs escalating mana; bait blinks to drain him, and CC him the instant he arrives.

Itemization

Kassadin is AP (with magic-damage scaling). Early magic resist blunts his poke, but the real answer is tempo: end before he scales. Late game, hard CC and a Zhonya's/Banshee's on your carry survive his blink burst.

This guide covers Kassadin's core kit and playstyle — advice that holds up across patches.