Decrepit Spire I

Heroes of this affinity with at least one of these types get the bonus.
Fire+HonoredorDragonorAncientorSpirit
5* Warden
4* EssenceVinder, Bloodletter
PWR 3,500
Leader skill
400% Damage and HP for all Fire Ancient Heroes in GvG attacks.
Battle skill
Destroy 10 non-Fire Gems, plus 3 additional Gems for every 20 Ancient Intensity.
Passive skill
Generate 5 Ancient Intensity per turn.
Eva, Forgotten Daughter
PWR 3,371
Leader skill
300% Damage and HP for all Fire Ancient Heroes
Battle skill
Attack for ATK*1,250% and add 10 Ancient Intensity. If the target is below 35% max HP, attack again for ATK*40% per intensity.
Crimson Vengeance
PWR 3,490
Leader skill
300% Damage and HP for all Fire Ancient Heroes
Battle skill
Create 1 Fire Power Gem I, plus 1 additional Fire Power Gem I for every 5 Fire Gems on the board.
Passive skill
At the beginning of every turn, every stack of Ancient Intensity moderately increases the drop rate of Fire Gems for that turn. This skill stacks with other similar skills.
Valadim
PWR 3,496
Leader skill
300% Damage and HP for all Fire Ancient Heroes
Battle skill
Create 1 Fire Power Gem III, plus 1 additional Fire Power Gem I for every 5 Fire Gems on the board.
Passive skill
At the beginning of every turn, every stack of Ancient Intensity moderately increases the drop rate of Fire Gems for that turn. This skill stacks with other similar skills.
Bad Santa
PWR 5,257
Leader skill
300% REC for all Human Heroes
Battle skill
Attacks all enemies for 800% of ATK.
Vulcan's Revenge
PWR 5,074
Leader skill
200% HP for all Human Heroes
Battle skill
Increases Fire's effectiveness against Earth for 1 turn for all Heroes. Does not stack with itself.
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.
Kinich Ahau
PWR 3,140
Leader skill
200% HP for all Warrior Heroes
Battle skill
Turn up to 5 Water Gems into Fire Gems. If 10 Fire Gems exist, then deal 1,000% ATK to an Earth enemy.
The Night Sun
PWR 3,009
Leader skill
300% Damage and HP for all Fire Ancient Heroes
Battle skill
Destroy all non-Fire Gems and attack for 1,100% of ATK.
Ixtab, Hanging Goddess
PWR 3,131
Leader skill
300% Damage and HP for all Fire Ancient Heroes
Battle skill
Attack an Earth enemy for 2,000% of ATK and increase the enemy turn counter by 1.
Passive skill
Increases the drop rate of Fire Gems for the first 3 turns.
Girru, Dragon Hunter
PWR 3,020
Leader skill
300% REC for all Human Heroes
Battle skill
If there are 10 or more regular Fire Gems on the board, attack for 2,000%. This attack is tripled if Dragon Fury is active. Then attack for 1,000% ATK.
Anatu, Dragon Tamer
PWR 2,888
Leader skill
300% Damage and HP for all Fire Dragon Heroes
Battle skill
Attack for 600% ATK.
Nusku, The Dragon Born
PWR 3,010
Leader skill
300% Damage and HP for all Fire Dragon Heroes
Battle skill
Greatly increase the drop rate of Fire gems until your next turn.
Passive skill
Increases the effectiveness of Dragon Punch
Basan, The Destroyer
PWR 4,352
Leader skill
200% HP for all Ancient Heroes
Battle skill
Attack all enemies for 250% ATK. Attack all Earth enemies for 1,000% ATK.
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.