Fireblade vs Reliquary Tender

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Fireblade	Banner Lords	Spirit	Attack	Uncommon	-
Reliquary Tender	High Elves	Void	Support	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Fireblade	60	6	10080	1178	903	95	15	50	30	0
Reliquary Tender	60	6	18165 +8085	859 -319	958 +55	103 +8	15	50	30	0

Fireblade	Burning Spear Formula: 100+3.1*ATK Attacks 1 enemy. Places a 25% [Decrease ATK] debuff for 2 turns if this attack is critical. Decrease ATK 25%	Path of Flame Formula: 2.3*ATK Attacks 1 enemy 3 times. Each hit has a 30% chance of placing a 2.5% [Poison] debuff for 2 turns. Cooldown: 4 Poison 2.5%	-
Reliquary Tender	Warden Staff Formula: 3*ATK Attacks 1 enemy. Has a 20% chance of placing a 25% [Decrease ATK] debuff for 2 turns. Decrease ATK 25%	Tender's Watch Removes all debuffs from all allies, then places a 15% [Continuous Heal] buff on them for 2 turns. Cooldown: 5 Continuous Heal 15%	Call to Life Formula: 0.3TRG_HP Formula: 0.3MAX_STAMINA Revives an ally with 30% HP and fills their Turn Meter by 30%. Cooldown: 6