Channeler vs Sir Artimage

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Channeler	Skinwalkers	Spirit	Support	Rare	Resist 30 Place: Crypts
Sir Artimage	Banner Lords	Force	Attack	Epic	Speed 20% Place: Arena

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Channeler	60	6	17175	881	1002	103	15	50	30	0
Sir Artimage	60	6	14535 -2640	1310 +429	1024 +22	97 -6	15	60 +10	30	0

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%
Sir Artimage	Nobleman's Mace Formula: 2.1ATK Formula: 2.1ATK Attacks 1 enemy 2 times. The first hit has a 40% chance of placing a 60% [Decrease DEF] debuff for 2 turns. The second hit has a 40% chance of placing a 30% [Decrease SPD] debuff for 2 turns. Decrease SPD 30% Decrease DEF 60%	Ring True Formula: 4.2*ATK Removes all debuffs from this Champion, then attacks all enemies. Cooldown: 4	Unshakable Valor Formula: 6.7*ATK Attacks 1 enemy. Will ignore 30% of the target’s DEF. Places a 50% [Increase ATK] buff and a 30% [Increase C. DMG] buff on this Champion for 2 turns if this attack kills an enemy. These buffs cannot be removed. Cooldown: 4 Increase ATK 50% Increase C. DMG