Kars was obtainable for a limited time as a collaboration character in the mobile game Puzzle & Dragons.
Rarity: 6★ (Base)
Active Skill: "Mode: Light Blades" (Localized Name: "Brilliant Bone Blade")
Pierce through enemies' damage void for 3 turns, all Orbs enhanced; changes to Tribe of Darkness, Kars
Leader Skill: "Pillar Man"
15x ATK & reduces damage by 70% when Light & Dark attack at once; inflicts 1 damage with 2+ Dark combos
Tribe of Darkness, Kars(闇の一族 カーズ)
Rarity: 7★ (Transformation)
Active Skill: "I emerge victorious!"
1.5x Orb move time, pierce enemies' dmg void, +4 combos & increase this ally's damage cap to 4 billion for 1 turn
Leader Skill: "Fighting Stance"
15x ATK & vastly reduces dmg when Light & Dark attack; 2x ATK & inflicts 3,000,000 damage with 2+ Dark combos
Red Stone of Aja(エイジャの赤石)
Rarity: 7★ (Assist)
Active Skill: "Ripple Amplifier" (Localized Name: "Hamon Amplifier")
2.5x ATK for Dark Att. for 6 turns
Leader Skill: "N/A"