Sepulcher Sentinel vs Whisper

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Sepulcher Sentinel	Knight Revenant	Force	Defence	Epic	Defence 25% Place: All battles
Whisper	Knight Revenant	Void	Attack	Epic	Attack 29% Place: Dungeons

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Sepulcher Sentinel	60	6	16185	903	1321	98	15	50	45	0
Whisper	60	6	16020 -165	1443 +540	793 -528	95 -3	15	60 +10	30 -15	0

Sepulcher Sentinel	Sword of Withering Formula: 3.3*DEF Attacks 1 enemy. Has a 40% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Decrease ATK 50%	Sepulcher Shield Places a 60% [Increase DEF] buff and a [Block Debuffs] buff on all allies for 2 turns. Cooldown: 5 Block Debuffs Increase DEF 60%	Untouched By Death [P] Formula: -1*DMG_MUL Has a 25% chance of completely blocking incoming damage when an ally is attacked. Occurs once per turn. Will only block damage for the targeted ally if multiple allies are attacked at the same time. Cooldown: 1	-
Whisper	Softening Drive Formula: 4ATK Formula: 0.2DMG_MUL Attacks 1 enemy. Has a 50% chance of placing a 25% [Weaken] debuff for 2 turns. Weaken 25%	Charged Assault Formula: 3.8ATK Formula: -1 Formula: 0.2DMG_MUL Attacks 1 enemy. Places a 50% [Increase ATK] buff and a 30% [Increase C. RATE] buff on this Champion for 2 turns before attacking if the target has higher MAX HP than this Champion. Will ignore DEF if the target is under a [Weaken] debuff. Cooldown: 4 Increase ATK 50% Increase C. RATE 30%	Unyielding Flurry Formula: 2.6ATK Formula: 0.2DMG_MUL Attacks 1 enemy 2 times. Grants an Extra Turn if the target is under [Decrease DEF] and [Weaken] debuffs. Cooldown: 5	Unrelenting [P] Has a 10% chance of granting an Extra Turn whenever this Champion lands a critical hit. Increases damage inflicted on Bosses by 20%.