Channeler vs Old Ghrukkus

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Channeler	Skinwalkers	Spirit	Support	Rare	Resist 30 Place: Crypts
Old Ghrukkus	Ogryn Tribes	Force	Support	Epic	Speed 24% Place: Dungeons

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Channeler	60	6	17175	881	1002	103	15	50	30	0
Old Ghrukkus	60	6	17010 -165	1079 +198	1090 +88	98 -5	15	50	30	15 +15

Channeler	Rage of Ancients Formula: 4.7*ATK Attacks 1 enemy. Has a 25% chance of placing a 50% [Heal Reduction] debuff for 1 turn. Heal Reduction 50%	Halt! Formula: 6.4*ATK Attacks 1 enemy. Has a 50% chance of placing a [Stun] debuff for 1 turn. Cooldown: 4 Stun	Agility Formula: 0.15*MAX_STAMINA Places a 30% [Increase SPD] buff on all allies for 2 turns. Fills the Turn Meter of all allies by 15%. Cooldown: 6 Increase SPD 30%
Old Ghrukkus	Beating Staff Formula: 1.3*ATK Attacks 1 enemy 3 times. Each hit has a 15% chance of placing a [Leech] debuff for 2 turns. Leech	Toe the Line Formula: 6.2ATK Formula: 0.3MAX_STAMINA Attacks 1 enemy. Has a 60% chance of placing a 30% [Decrease SPD] debuff for 2 turns. Also has a 40% chance of decreasing the target’s Turn Meter by 30%. Cooldown: 4 Decrease SPD 30%	Harsh Discipline Formula: 4.25*ATK Attacks all enemies. Has an 80% chance of placing a 50% [Decrease ATK] debuff and a 100% [Heal Reduction] debuff for 2 turns. Cooldown: 4 Heal Reduction 100% Decrease ATK 50%