Rearguard Sergeant vs Sentinel

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Rearguard Sergeant	Dwarves	Force	Defence	Epic	HP 33% Place: All battles Element: Force
Sentinel	Barbarians	Force	HP	Rare	Resist 30 Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Rearguard Sergeant	60	6	18495	859	1211	97	15	50	75	0
Sentinel	60	6	18825 +330	914 +55	859 -352	86 -11	15	50	30 -45	10 +10

Rearguard Sergeant	Crushing Impact Formula: 4*DEF Attacks 1 enemy. Has a 40% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Decrease DEF 60%	Flail Master Formula: 3.6DEF Formula: 0.25DEALT_DMG Attacks all enemies. Has a 50% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Heals this Champion by 25% of the damage inflicted. Cooldown: 4 Decrease ATK 50%	Fend Them Off Places a 50% [Ally Protection] buff and a 15% [Continuous Heal] buff on all allies except this Champion for 2 turns. Cooldown: 5 Continuous Heal 15% Ally Protection 50%
Sentinel	Hook Formula: 2.6ATK+2DEF Attacks 1 enemy. Has a 60% chance of placing a [Provoke] debuff for 1 turn if this attack is critical. Provoke	Glaive Swing Formula: 4.4*ATK Attacks all enemies. Has a 50% chance of placing a 25% [Decrease ATK] debuff for 2 turns. Has a 50% chance of placing a 100% [Heal Reduction] debuff for 2 turns. Cooldown: 4 Decrease ATK 25% Heal Reduction 100%	Regeneration [P] Formula: 0.1*HP Heals this Champion by 10% HP at the start of their turn. This Heal can be critical. Cooldown: 2