These categories are not directly taken from the game; they have been discussed on the wiki and are listed on each champion's page.

Role

• Disruptor champion: An umbrella term for any champion with skills that interfere with another player's ability to control their own champion. These include stuns, snares, silences, disarms, charms, taunts, fears, or reductions in damage or attack speed or movement speed. While many skills fall under these categories, disablers have two of these or a disable that lasts an inordinately long time. As of V6.8, this is an official subclass of Controllers.

Resource

• Energy champion: Any champion that uses energy to cast their abilities.
• Health champion: Any champion that uses their own health to cast their abilities.
• Fury champion: Any champion that uses fury to enhance or cast their abilities.
• Manaless champion: Any champion that does not use mana to cast their abilities.
• Cooldown champion: Any champion that does not have a resource to cast their abilities; they are gated by their cooldowns.

Ability

• Blink champion: Any champion that has an ability with a blink.
• Cleanse champion: Any champion that has an ability that removes crowd control effects.
• Dash champion: Any champion that has a dash ability.
• Decoy champion: Any champion that has an ability that creates a decoy.
• Execution champion: Any champion that has an ability that gains increased potency based on the target's missing health.
• Global champion: Any champion that possesses an ability that has global range.
• Haste champion: Any champion that has an ability that speeds up themselves or allied champions.
• Healer champion: Any champion that has an ability that heals an ally.
• Immune champion Any champion with an ability that can prevent a crowd control effect from being applied.
• Mana Heal champion: Any champion that possesses an ability that restores mana.
• Burst champion/Nuker: Any champion that possesses abilities that deal significant amounts of damage in a short time. Their damage output is usually high during the early game, and diminishes as the game progresses.
• Invulnerable champion: Any champion with an ability that renders themselves or another champion invulnerable.
• Pet champion: Any champion that possesses an ability that summons an allied unit.
• Resurrection champion: Any champion that has a resurrection effect from taking lethal damage.
• Self Heal champion: Any champion that has an ability to heal themselves, but not other allies.
• Shapeshifter champion: Any champion that has an ability to transform, which grant them a new set of abilities.
• Shield champion: Any champion that possesses an ability that creates temporary health via shields. "Shields" that grant only temporary armor or magic resistance, damage reduction, or spell immunity, are not included.
• Stance champion: Any champion that has stances that they can change in and out of instead of the normal abilities that other champions have.
• Stealth champion: Any champion that has an ability which renders them hidden to enemies via stealth.
• Untargetable champion: Any champion with an ability that renders themselves or another champion untargetable.

Crowd Control

Any champion that can apply the corresponding form of crowd control falls into the dedicated categories:

• Blind champion: See blind. Currently exclusive to Teemo.
• Blocker champion: Any champion with the ability to create terrain.
• Cripple champion: See cripple.
• Disarm champion: See disarm.
• Drowsy champion: See drowsy.
• Ground champion: See ground.
• Interrupt champion: Any champion with an ability that is able to generally stop channeled or charged abilities.
  • Disrupt champion: See disrupt.
  • Forced action champion: See forced action.
    • Charm champion: See charm.
    • Flee champion: See flee.
    • Taunt champion: See taunt.
  • Airborne champion: See airborne.
    • Pull champion: Any champion with an airborne ability that pulls units.
    • Knock aside champion: Any champion with an airborne ability that knocks units perpendicular from their location.
    • Knockback champion: Any champion with an airborne ability that knocks units away.
    • Knockup champion: Any champion with an airborne ability that knocks units up on the spot.
  • Polymorph champion: See polymorph. Currently exclusive to Lulu.
  • Silence champion: See silence.
  • Sleep champion: See sleep.
  • Stasis champion: See stasis.
  • Stun champion: See stun.
  • Suppress champion: See suppression.
  • Suspend champion: See suspension.
• Kinematics champion: See kinematics. Currently exclusive to Rell.
• Knockdown champion: See knockdown.
• Nearsight champion: See nearsight.
• Root champion: See root.
• Slow champion: See slow.