Bellower vs Grumbler

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Bellower	Ogryn Tribes	Void	Support	Rare	Speed 15% Place: Crypts
Grumbler	Dwarves	Magic	HP	Rare	HP 25% Place: Dungeons

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Bellower	60	6	16515	1013	914	99	15	50	30	15
Grumbler	60	6	19485 +2970	804 -209	925 +11	95 -4	15	50	55 +25	0 -15

Bellower	Frazzle Formula: 2.6*ATK Attacks all enemies. Has a 20% chance of placing a [Block Active Skills] debuff for 1 turn. Block Cooldown Skills	Mighty Bellow Formula: 4.2*ATK Attacks all enemies. Has a 50% chance of placing a 15% [Decrease SPD] debuff for 2 turns. Cooldown: 4 Decrease SPD 15%	Bowl Over Formula: 3.6*ATK Attacks all enemies. Has a 75% chance of placing a 25% [Decrease ATK] debuff for 2 turns. Has a 75% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Cooldown: 5 Decrease ATK 25% Decrease DEF 30%
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%