Rector Drath vs Boltsmith

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Rector Drath	Knight Revenant	Force	Support	Epic	Resist 55 Place: Doom tower
Boltsmith	Dwarves	Force	Attack	Rare	Attack 20% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Rector Drath	60	6	17010	1035	1134	109	15	50	30	0
Boltsmith	60	6	15030 -1980	1465 +430	562 -572	94 -15	15	57 +7	30	0

Rector Drath	Scepter of Authority Formula: 4*ATK Attacks 1 enemy. Has a 35% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Decrease ATK 50%	Necro Mutation Formula: 0.2*HP Heals all allies by 20% of this Champion's MAX HP. After healing, places a [Perfect Veil] buff for 2 turns on all allies with full HP. Places a 15% [Continuous Heal] buff for 1 turn instead on all allies with less than 100% HP. Cooldown: 5 Continuous Heal 15% Perfect Veil	Spirit Form Formula: 0.6TRG_HP Formula: 0.6MAX_STAMINA Revives a single ally with 60% HP and fills their Turn Meter by 60%. Places a [Perfect Veil] buff on them for 3 turns. Cooldown: 6 Perfect Veil	Master of Ghosts [P] Formula: 0.1*TRG_HP Formula: 50 Whenever an ally under a [Veil] or [Perfect Veil] buff gets a turn, heals them by 10% of their MAX HP. Also increases the RES of allies under [Veil] or [Perfect Veil] buffs by 50. [Will only increase RES once per ally if there are multiple Rectors on the team.]
Boltsmith	Quarrel Cripple Formula: 1.5*ATK Attacks 1 enemy 2 times. Each hit has a 15% chance of placing a 15% [Decrease SPD] debuff for 2 turns. Decrease SPD 15%	Trained Eye Places a 15% [Increase C. RATE] buff and a 30% [Increase C. DMG] buff on this Champion for 2 turns. Grants an Extra Turn. Cooldown: 4 Increase C. RATE 15% Increase C. DMG	Piercer Munitions Formula: 4.2*ATK Attacks 1 enemy. Will ignore 30% of the target’s DEF. Cooldown: 4	-