Perforator vs Keeyra the Watcher

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Perforator	Dwarves	Force	Attack	Rare	-
Keeyra the Watcher	Dwarves	Spirit	Defence	Legendary	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Perforator	60	6	14205	1277	804	86	15	57	45	0
Keeyra the Watcher	60	6	19485 +5280	870 -407	1409 +605	104 +18	15	50 -7	50 +5	0

Perforator	Vermin Slayer Formula: 3.6*ATK Attacks 1 enemy. Has a 30% chance of placing a 5% [Poison] debuff for 1 turn. Poison 5%	Hardened Tips Formula: 4.1*ATK Attacks 1 enemy. Will ignore 50% of the target's DEF. Grants an Extra Turn if this attack kills an enemy. Cooldown: 4	Scare Off [P] Has a 35% chance of placing a [Fear] debuff on the target for 1 turn when this Champion inflicts a critical hit. Cooldown: 2 Fear	-
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%