Executioner vs Headsman vs Helior

Overall comparison

HERO	Fraction	Element	Type	Rarity
Executioner	Knight Revenant	Magic	Defence	Rare
Headsman	The Sacred Order	Spirit	Attack	Rare
Helior	Banner Lords	Force	Defence	Legendary

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Executioner	60	6	14865	782	1255	89	15	50	40	0
Headsman	60	6	10740 -4125	1354 +572	958 -297	100 +11	15	57 +7	30 -10	0
Helior	60	6	18495 +7755	804 -550	1542 +584	95 -5	15	57	50 +20	0

Skills comparison

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.	-
Helior	Sunshine Halberd Formula: 3.2DEF Formula: 0.05B_DEFCritHitsCountWholeBattleFromEffectWithId(599011) Formula: 0.75DEF Attacks 1 enemy. Increases this Champion’s DEF by 5% if this attack is critical (Stacks up to 20%). Will also heal this Champion by 75% of their DEF after attacking if their DEF has already been increased by 20%.	Solar Blessing Formula: 3*DEF Attacks all enemies. Places a [Shield] buff on all allies for 2 turns equal to 20% of the damage inflicted. Cooldown: 4 Shield	Harsh Light Formula: 1*RES Transfers all debuffs from all allies to a target enemy, then attacks that enemy with the default skill. Converts this Champion’s RES into additional ACC when using this skill. Cooldown: 5	Intercessor [P] Whenever an ally that has 2 or more debuffs is attacked, this Champion will absorb 30% of the damage inflicted on that ally.