Decrepit Spire I

Heroes of this affinity with at least one of these types get the bonus.
Fire+HonoredorTechnologicalorSpiritorCreature
5* Bounty Hunter
4* Bounty HunterMistress Lunamorph
PWR 3,738
Leader skill
300% Damage and HP for all Fire Technological Heroes
Battle skill
Creates 1 Fire Power Gem I, and one additional for every 8 stacks of Technological Intensity, rounded down.
Passive skill
Increases the drop rate of Fire Gems for the first 3 turns.
Gladia, She Without Fear
PWR 3,505
Leader skill
400% Damage and HP for all Fire Honored Heroes in GvG attacks.
Battle skill
Generates 5 Honored Intensity and attacks for 3,000% ATK, plus 1,500% for every 5 stacks of Honored Intensity, rounded down. If there is at least one Fire Power Gem on the board, attacks a second time. This ability can be used every turn.
Domi, Beast Fighter
PWR 3,377
Leader skill
300% Damage and HP for all Fire Warrior Heroes
Battle skill
Creates 1 Fire Gem both now and for the next 2 turns, plus 1 additional Fire Gem per 20 Honored Intensity, rounded down.
Passive skill
Generates 5 Honored Intensity per turn.
Bestiarius
PWR 3,500
Leader skill
300% Damage and HP for all Fire Warrior Heroes
Battle skill
Increases Honored Hero's ATK by 35%, plus 4% per 10 Intensity, rounded down, for 1 turn. This ability can be used every turn.
Passive skill
When beginning a turn with a Fire Power Gem I or higher on the board, creates a Fire Power Gem III.
Flamma, Arena King
PWR 3,506
Leader skill
300% Damage and HP for all Fire Warrior Heroes
Battle skill
Increases Honored Hero's ATK by 40%, plus 5% per 10 Intensity, rounded down, for 1 turn. This ability can be used every turn.
Passive skill
When beginning a turn with a Fire Power Gem I or higher on the board, creates a Fire Power Gem IV.
Chow, Baleful Flame
PWR 5,257
Leader skill
200% HP for all Honored Heroes
Battle skill
Creates 3 Fire Gems.
Bad Santa
PWR 5,257
Leader skill
300% REC for all Human Heroes
Battle skill
Attacks all enemies for 800% of ATK.
Surtr
PWR 5,076
Leader skill
200% HP for all Human Heroes
Battle skill
Attacks for 1000% HP.
Yonica, Queen of Flames
PWR 3,261
Leader skill
200% Damage for all Honored Heroes
Battle skill
Creates 4 to 6 Fire Gems. The number of gems increases as your HP% increases.
Passive skill
Female heroes deal 15% more damage to the Spider Queen. Does not stack with multiple copies of Yonica.
Idalia the Bright
PWR 3,130
Leader skill
300% Damage and HP for all Fire Spirit Heroes
Battle skill
Generate 1 Fire Power Gem III.
Sunspot
PWR 3,251
Leader skill
300% Damage and HP for all Fire Spirit Heroes
Battle skill
Become immune to enemy damage for 1 turn.
Junko, Oni Hunter
PWR 2,897
Leader skill
200% HP for all Attacker Heroes
Battle skill
Attack for 500% ATK. If the enemy is a raid boss, attack again for 2,000% ATK. Cast Banisher for 3 turns. SKILL CHAIN: Hideki, Oni Destroyer's battle skill gains power while Banisher is active. Vulcan deals massive damage if the Banisher Chain is completed.
Hideki, Oni Destroyer
PWR 2,888
Leader skill
300% Damage and HP for all Fire Honored Heroes
Battle skill
Increase self ATK by 50% for 4 turns. If Banisher is active, this is increases to 200% and Banisher Chain becomes active for 4 turns. SKILL CHAIN: Vulcan's battle skill gain massive power while Banisher Chain is active.
Fyrion, the Ashen
PWR 3,432
Leader skill
200% Damage for all Creature Heroes
Battle skill
Attack an enemy for 380% of HP for 2 turns.