Grumbler vs Castigator

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grumbler	Dwarves	Magic	HP	Rare	HP 25% Place: Dungeons
Castigator	The Sacred Order	Magic	HP	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Grumbler	60	6	19485	804	925	95	15	50	55	0
Castigator	60	6	18990 -495	859 +55	903 -22	95	15	50	40 -15	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%
Castigator	Castigate Formula: 0.24*HP Attacks 1 enemy. Has a 25% chance of placing a [Provoke] debuff for 1 turn. Provoke	Holy Equity Formula: 0.2*HP Heals the ally with the lowest HP by 20% of this Champion’s MAX HP, then equalizes the HP levels of all allies and grants this Champion an Extra Turn. Cooldown: 6	Rebuff [P] Formula: -0.15*DMG_MUL Receives 15% less damage from enemies under [Provoke] debuffs.