Slasher vs Keeyra the Watcher

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Slasher	Lizardmen	Spirit	Attack	Rare	Attack 17% Place: Crypts
Keeyra the Watcher	Dwarves	Spirit	Defence	Legendary	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Slasher	60	6	13050	1332	826	94	15	57	30	0
Keeyra the Watcher	60	6	19485 +6435	870 -462	1409 +583	104 +10	15	50 -7	50 +20	0

Slasher	Fearsome Slice Formula: 3.2*ATK Attacks 1 enemy.	Chop Apart Formula: 2.9*ATK Attacks 1 enemy 2 times. Has a 25% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Cooldown: 4 Decrease DEF 30%	Killing Zeal Places a 15% [Increase C. RATE] buff and a [Shield] buff on this Champion for 2 turns. The value of the [Shield] is proportional to this Champion's ATK and C. DMG. Grants an Extra Turn. Cooldown: 5 Shield Increase C. RATE 15%	-
Keeyra the Watcher	Falling Star Crush Formula: 3.6*DEF Attacks 1 enemy. Has a 50% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Decrease ATK 50%	Smashing Spree Formula: 3.8*DEF Attacks all enemies. Has a 75% chance of decreasing the duration of all enemy buffs by 1 turn. Also has a 75% chance of placing a 50% [Decrease ACC] debuff for 2 turns. Cooldown: 4 Decrease ACC 50%	Coordinated Defense Places a 50% [Ally Protection] buff on all allies except this Champion for 2 turns. Also places a 60% [Increase DEF] buff on all allies for 2 turns. Cooldown: 5 Ally Protection 50% Increase DEF 60%	Besieger's Bane [P] Whenever an ally is attacked while under an [Ally Protection] buff, places a 50% [Decrease ATK] debuff on the attacker for 1 turn. Decrease ATK 50%