Pain Keeper vs Criodan the Blue

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Pain Keeper	Dark Elves	Void	HP	Rare	HP 21% Place: Crypts
Criodan the Blue	Sylvan Watchers	Magic	Support	Epic	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Pain Keeper	60	6	19320	969	771	102	15	50	40	0
Criodan the Blue	60	6	17835 -1485	1090 +121	1024 +253	99 -3	15	50	30 -10	15 +15

Pain Keeper	Unflagging Advance Formula: DEF+ATK Formula: 0.1*MAX_STAMINA Attacks 1 enemy 2 times. Fills this Champion's Turn Meter by 10%.	Spectacular Sweep Formula: 0.12HP+2ATK Formula: 0.15*HP Attacks all enemies, then heals all allies by 15% of this Champion's MAX HP. Cooldown: 5	Combat Tactics Decreases the cooldowns of all ally skills by 1 turn. This skill can have its cooldown reduced by other skills that reduce cooldowns by 1 turn. Cooldown: 7	-
Criodan the Blue	Frostbark Blade Formula: 1.2*ATK Attacks 1 enemy 3 times. Each hit has a 25% chance of placing a [Freeze] debuff for 1 turn. Freeze	Razor Hail Formula: 1.9*ATK Attacks all enemies 2 times. Each hit has a 45% chance of placing a [Freeze] debuff for 1 turn. Cooldown: 4 Freeze	Blessing of the Blue Formula: 0.15*MAX_STAMINA Places a 30% [Increase SPD] buff on all allies for 2 turns. Also fills the Turn Meters of all allies by 15%. Cooldown: 5 Increase SPD 30%	Snow Dancer [P] Formula: 0.05*MAX_STAMINA Fills this Champion’s Turn Meter by 5% for each [Freeze] debuff placed by this Champion.