Set 15 Items
The 41 items K.O. Coliseum introduced. The components and combined items that carry across every set are on the main items page.

Bastion Emblem
The holder gains the Bastion trait. Gain 15% of Armor as Attack Damage. Gain 15% of Magic Resistance as Ability Power.

Battle Academia Emblem
The holder gains the Battle Academia trait, and 120 Health and 6% Damage Amp per.

Combination Core
Mighty Mech champions heal The Mighty Mech for ?% of the damage they deal. By our powers combined!

Crystal Gambit Emblem
The holder gains the Crystal Gambit trait.

Crystalline Reinforcements
Your team gains 1000 health. Whenever a unit dies, a crystalline copy one star level lower joins the fight!

Double Down
Increase Gem Power gains for the next 3 player combats. If you win, lose a large amount of your Gem Power and immediately cash out.

Double Down
Increase Gem Power gains for the next 3 player combats. If you lose, lose a large amount of your Gem Power and immediately cash out.

Double Down
Increase Gem Power gains for the next 3 player combats. If you lose, lose a large amount of your Gem Power and immediately cash out.

Duelist Emblem
The holder gains the Duelist trait. Attacks deal 12 bonus true damage, plus 6 bonus true damage for each time the target was damaged by this effect.

Duelist Stance
Passive: On attack, deal 40 physical damage to a nearby enemy. Active: Strike swiftly, sending 10 afterimages to the nearest 2 enemies. Each deals 65 physical damage and reduces armor by 5.

Edgelord Emblem
The holder gains the Edgelord trait. Dealing physical damage to an enemy reduces their Armor by 2.

Executioner Emblem
The holder gains the Executioner trait. Attacks and Abilities that critically strike deal 20% bonus true damage over 3 seconds.

Executioner Stance
Deal 330 physical damage to the lowest Health enemy within 3 hexes and Stun them for 1.5 seconds. Other enemies in a 1-hex radius take 130 physical damage. After 3 kills with this ability all enemies instantly take 180 physical damage and are Stunned for 1.5 seconds.

Heavyweight Emblem
The holder gains the Heavyweight trait, and gains 150 max Health on takedown.

Hidden Technique
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Juggernaut Emblem
The holder gains the Juggernaut trait. While above 50% Health, gain 30% Attack Speed.

Juggernaut Stance
Briefly gain 60% Durability, then deal 500 physical damage to the target, 200 physical damage to all enemies behind the target, and 150 physical damage to other enemies in a 2-hex radius.

Luchador Emblem
The holder gains the Luchador trait.

Mega Blade Upgrade
Deal an additional 10% of all damage dealt as true damage. Bring down the blade of justice!

Mighty Blade
Attacks now cleave in a cone dealing 50% physical damage to adjacent enemies. We slice through evil with unbreakable resolve.

Power Remover
Use on a champion to remove their Power Up and regain a Power Snax.

Power Remover (2 uses left)
Use on a champion to remove their Power Up and regain a Power Snax.

Power Remover (3 uses left)
Use on a champion to remove their Power Up and regain a Power Snax.

Power Remover (4 uses left)
Use on a champion to remove their Power Up and regain a Power Snax.

Power Remover (5 uses left)
Use on a champion to remove their Power Up and regain a Power Snax.

Power Remover (6 uses left)
Use on a champion to remove their Power Up and regain a Power Snax.

Power Remover (7 uses left)
Use on a champion to remove their Power Up and regain a Power Snax.

Power Remover (8 uses left)
Use on a champion to remove their Power Up and regain a Power Snax.

Power Remover (9 uses left)
Use on a champion to remove their Power Up and regain a Power Snax.

Power Remover (9 uses left)
Use on a champion to remove their Power Up and regain a Power Snax.

Prodigy Emblem
The holder gains the Prodigy trait. On cast, shield the lowest percent Health ally for 250% of mana spent.

Protector Emblem
The holder gains the Protector trait. When a shield on the holder breaks, heal the holder and the nearest ally for 20% of the shield's initial value.

Sniper Emblem
The holder gains the Sniper trait and 2 range.

Sorcerer Emblem
The holder gains the Sorcerer trait. The holder gains 18% more Ability Power from all sources.

Soul Fighter Emblem
The holder gains the Soul Fighter trait.

Star Guardian Emblem
The holder gains the Star Guardian trait. Teamwork: Non-emblem Star Guardian bonuses are increased by 10%. This effect stacks. [Unique - only 1 per champion.]

Strategist Emblem
The holder gains the Strategist trait. Combat Start: The holder and allies within 1 hex in the same row gain bonuses. Front 2 rows: 20 Armor and Magic Resist Back 2 rows: 15% Attack Speed

Supreme Cells Emblem
The holder gains the Supreme Cells trait.

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Wraith Emblem
The holder gains the Wraith trait.