Siegebreaker vs Keeyra the Watcher

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Siegebreaker	Ogryn Tribes	Spirit	Attack	Rare	-
Keeyra the Watcher	Dwarves	Spirit	Defence	Legendary	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Siegebreaker	60	6	14040	1211	881	90	15	50	40	0
Keeyra the Watcher	60	6	19485 +5445	870 -341	1409 +528	104 +14	15	50	50 +10	0

Siegebreaker	Pelting Blows Formula: 1.5*ATK Attacks 1 enemy 2 times.	Electrocute Formula: 6.6*ATK Attacks 1 enemy. Has an 80% chance of placing a [Block Active Skills] debuff for 1 turn if this attack is critical. Cooldown: 3 Block Cooldown Skills	Heavenly Roar Formula: 4.6ATK Formula: TRG_STAMINA0.3 Places a 30% [Increase C. RATE] buff on this Champion for 2 turns, then attacks all enemies. Has a 50% Chance of decreasing the Turn Meter by 30% if this attack is critical. Cooldown: 5 Increase C. RATE 30%	-
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%