Tunnel Steward vs Renouncer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Tunnel Steward	Dwarves	Spirit	Attack	Uncommon	-
Renouncer	The Sacred Order	Force	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Tunnel Steward	60	6	8925	1255	903	95	15	50	30	0
Renouncer	60	6	12885 +3960	1255	914 +11	97 +2	15	57 +7	30	0

Tunnel Steward	Vermin Killer Formula: 3.2*ATK Attacks 1 enemy. Has a 25% chance of placing a 2.5% [Poison] debuff for 2 turns. Poison 2.5%	Intensify Formula: 5.5*ATK Attacks 1 enemy. Has a 50% chance of increasing the duration of 2 random debuffs on the target by 1 turn. Cooldown: 4	-
Renouncer	Redoubled Effort Formula: 1.85*ATK Attacks 1 enemy 2 times.	Shining Sword Formula: 5.58ATK Formula: 0.25DEALT_DMG Removes one random debuff from this Champion, then attacks 1 enemy. Heals this Champion by 25% of the damage inflicted. Cooldown: 4	Battlefield Grace Formula: 6*ATK Attacks 1 enemy. Places a 15% [Increase SPD] buff on all allies for 2 turns if this attack kills an enemy. Cooldown: 5 Increase SPD 15%