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Season 10Sep 2026 ends in

Headless Jack

Hero skill · Open the hero page

Headless Jack

What the skill does

Headless Jack skill icon

Aura: This Minion gains ATK +5 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +10 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +20 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +60 for every 10% HP the Captain is missing.

Lv 1–7
Rumble Chess (Lv 7)		Aura: This Minion gains ATK +5 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +10 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +20 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +60 for every 10% HP the Captain is missing.
Lv 8Aura: This Minion gains ATK +6 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +12 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +24 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +72 for every 10% HP the Captain is missing.
Lv 9Aura: This Minion gains ATK +7 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +14 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +28 for every 10% HP the Captain is missing.Aura: This Minion gains ATK +84 for every 10% HP the Captain is missing.
Lv 10Aura: This Minion gains ATK +7 and ATK SPD +3% for every 10% HP the Captain is missing.Aura: This Minion gains ATK +14 and ATK SPD +3% for every 10% HP the Captain is missing.Aura: This Minion gains ATK +28 and ATK SPD +3% for every 10% HP the Captain is missing.Aura: This Minion gains ATK +84 and ATK SPD +3% for every 10% HP the Captain is missing.
Lv 11Aura: This Minion gains ATK +9 and ATK SPD +3% for every 10% HP the Captain is missing.Aura: This Minion gains ATK +18 and ATK SPD +3% for every 10% HP the Captain is missing.Aura: This Minion gains ATK +36 and ATK SPD +3% for every 10% HP the Captain is missing.Aura: This Minion gains ATK +108 and ATK SPD +3% for every 10% HP the Captain is missing.
Lv 12Aura: This Minion gains ATK +11 and ATK SPD +3% for every 10% HP the Captain is missing.Aura: This Minion gains ATK +22 and ATK SPD +3% for every 10% HP the Captain is missing.Aura: This Minion gains ATK +44 and ATK SPD +3% for every 10% HP the Captain is missing.Aura: This Minion gains ATK +132 and ATK SPD +3% for every 10% HP the Captain is missing.

Drag two Minions of the same type and ★ rank onto the same tile on the board to promote them to the next ★; their ATK is added together. Minions go up to 3★ (Merge Minion); only in Rumble Chess do two 3★ Minions merge into a 4★ (Rumble Chess – 4★ Minions).