Grumbler vs Runic Warder

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grumbler	Dwarves	Magic	HP	Rare	HP 25% Place: Dungeons
Runic Warder	Dwarves	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
Runic Warder	60	6	19155 -330	848 +44	903 -22	103 +8	15	50	55	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%
Runic Warder	Twin Chops Formula: 0.1*HP Attacks 1 enemy 2 times.	Superior Steel Formula: 0.15*HP Attacks 1 enemy 2 times. Each hit has a 30% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Cooldown: 3 Decrease ATK 50%	Rune of Outlasting Places a 15% [Reflect Damage] buff and a 7.5% [Continuous Heal] buff on all allies for 2 turns. Cooldown: 5 Continuous Heal 7.5% Reflect Damage 15%