Executioner vs Headsman vs Cardinal

Overall comparison

HERO	Fraction	Element	Type	Rarity
Executioner	Knight Revenant	Magic	Defence	Rare
Headsman	The Sacred Order	Spirit	Attack	Rare
Cardinal	The Sacred Order	Void	Support	Epic

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST
Executioner	60	6	14865	782	1255	89	15	50	40
Headsman	60	6	10740 -4125	1354 +572	958 -297	100 +11	15	57 +7	30 -10
Cardinal	60	6	17340 +6600	1002 -352	1145 +187	104 +4	15	50 -7	30

Executioner	Shield Bash Formula: 5*ATK Attacks 1 enemy. Has a 15% chance of placing a [Stun] debuff for 1 turn. Stun	Tumult Formula: 2ATK+2.4DEF Formula: 0.2*MAX_STAMINA Attacks all enemies. Decreases the Turn Meter by 20%. Has a 50% chance of placing a 15% [Decrease SPD] debuff for 2 turns. Cooldown: 4 Decrease SPD 15%	Schiltron Places a 60% [Increase DEF] buff and a [Counterattack] buff on this Champion for 3 turns. Cooldown: 7 Counterattack Increase DEF 60%
Headsman	Public Execution Formula: 1.57*ATK Attacks 1 enemy 2 times. Each hit has a 10% chance of placing a [Fear] debuff for 1 turn. Fear	Headman's Due Formula: 3.7*ATK Attacks all enemies. Has a 30% chance of placing a 100% [Heal Reduction] debuff for 2 turns. Cooldown: 3 Heal Reduction 100%	Judged Guilty [P] Formula: 0.15*DMG_MUL Inflicts 15% more damage to targets under [Heal Reduction] debuffs.
Cardinal	Evaporation Formula: 4*ATK Attacks 1 enemy. Has a 10% chance of placing a 5% [Poison] debuff for 2 turns. Poison 5%	Mending Touch Formula: 0.3*TRG_HP Heals a target ally by 30% of their MAX HP. Places a 60% [Increase DEF] buff for 2 turns. Cooldown: 4 Increase DEF 60%	Redemption Formula: 0.25*TRG_HP Formula: 200 + MAX_STAMINA Revives all dead allies, heals them by 25% of their MAX HP, and boosts their Turn Meter to max. Cooldown: 7