Grumbler vs Signy of Highshield

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grumbler	Dwarves	Magic	HP	Rare	HP 25% Place: Dungeons
Signy of Highshield	Banner Lords	Magic	HP	Epic	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Grumbler	60	6	19485	804	925	95	15	50	55	0
Signy of Highshield	60	6	20640 +1155	749 -55	1178 +253	97 +2	15	50	45 -10	0

Grumbler	Angry Mallet Formula: 0.1HP+0.1DEF Attacks 1 enemy. Places a [Shield] buff on this Champion equal to 10% of their MAX HP for 2 turns. Shield	No Coming Back Formula: 0.2HP+1.5DEF Attacks 1 enemy. Places a 50% [Heal Reduction] debuff for 2 turns. Cooldown: 3 Heal Reduction 50%	Shoulder the Weight Places a 25% [Ally Protection] buff on all allies for 2 turns. Places a 30% [Increase DEF] buff on this Champion for 2 turns. Cooldown: 5 Ally Protection 25% Increase DEF 30%	-
Signy of Highshield	Platebreaker Formula: 0.12HP Formula: 0.2DEALT_DMG Attacks 1 enemy 2 times. Each hit has a 25% chance of placing a 50% [Decrease RES] debuff for 2 turns. Each hit also heals this Champion by 20% of the damage inflicted. Decrease RES	Highshield's Defiance Formula: 0.24*HP Attacks all enemies. Before attacking, has a 75% chance of removing 1 random debuff from all allies. After the attack, has a 75% chance of removing a random buff from all enemies. Cooldown: 4	Just Cause Places a 50% [Increase RES] buff and a 30% [Reflect Damage] buff on all allies for 2 turns. Cooldown: 6 Reflect Damage 30% Increase RES	Hero of the People [P] When this Champion is under a [Reflect Damage] buff and an enemy attempts to place a debuff, has a 20% chance to reflect the debuff back onto the attacker.