Decrepit Spire II

Heroes of this affinity with at least one of these types get the bonus.
Dark+HighbornorGodorSpiritorCreature
Shapeshifter's Stone Shard (1)
4* Commander
5* Bounty HunterVala, The Redeemer
PWR 3,500
Leader skill
200% HP for all Human Heroes
Battle skill
Attack for 1,500% of ATK and cast Hardenfor 2 rounds. Harden decreases damage taken from attacks by 15% and generates 20 Creature Intensity when struck
Albinus Reborn
PWR 3,371
Leader skill
300% Damage and HP for all Dark Creature Heroes
Battle skill
Create 2 Dark Gems plus 1 for every 25 Creature Intensity, up to 3 extra max.
Passive skill
Increase HP of Creatures by 25%. Generate 5 Creature Intensity per turn.
Crystal Phoenix
PWR 3,491
Leader skill
300% Damage and HP for all Dark Creature Heroes
Battle skill
Generate 2 Dark Power Gem IVs.
Passive skill
Once per battle, instead of dying, resurrect with 1% HP for every 5 Creature Intensity and gain 50% ATK for all heroes for 3 rounds. The ATK buff is increased to 100% if Harden is active.
Cosmic Master Amy
PWR 3,497
Leader skill
300% Damage and HP for all Dark Creature Heroes
Battle skill
Generate 2 Dark Power Gem IVs.
Passive skill
Once per battle, instead of dying, resurrect with 1% HP for every 4 Creature Intensity and gain 60% ATK for all heroes for 3 rounds. The ATK buff is increased to 120% if Harden is active.
Entropy
PWR 5,257
Leader skill
200% Damage for all Ancient Heroes
Battle skill
Attack all enemies for 250% ATK. Attack all Light enemies for 1,000% ATK.
Luciano Of Karne
PWR 3,500
Leader skill
300% REC for all Technological Heroes
Battle skill
Create 3 Dark Gem and massively increase the drop rate of Dark Gems for 1 turn. The drop rate increases as Spirit Intensity increases.
Sylphie Of Moon Grove
PWR 3,371
Leader skill
300% Damage and HP for all Dark Spirit Heroes
Battle skill
Increases Spirit Intensity by 10. Attack for 1,500% ATK. This is increases by every stack of Spirit Intensity, up to an extra 2,000% ATK.
Passive skill
Assemble Luciano Of Kane, Sylphie Of Moon Grove, Simelov, and Lunar Staff to boost ATK by 20% fo all Heroes in battle.
Simelow
PWR 3,491
Leader skill
300% Damage and HP for all Dark Spirit Heroes
Battle skill
Create 2 Dark Power Gem IVs. If you have more than 100 stacks of Spirit Intensity, remove all debuffs from your team.
Passive skill
Assemble Luciano Of Kane, Sylphie Of Moon Grove, Simelov, and Lunar Staff to boost ATK by 20% fo all Heroes in battle.
Fallen One
PWR 3,261
Leader skill
200% Damage for all Blessed Heroes
Battle skill
Destroy all non-Dark Gems and attack for 1,100% of ATK.
The Reaper
PWR 3,130
Leader skill
300% Damage and HP for all Dark God Heroes
Battle skill
Attack for 500% of ATK. If the target is Light, attack again for 1,500% of ATK.
Stepherd of Souls
PWR 3,251
Leader skill
300% Damage and HP for all Dark God Heroes
Battle skill
Attack a Light enemy for 2,000% of ATK and increases the enemy turn counter by 1.
Passive skill
Increases the drop rate of Dark Gems for the first 3 turns.
Chegrin, Sun Eater
PWR 3,435
Leader skill
200% Damage for all Creature Heroes
Battle skill
Attack an enemy for 380% of HP for 2 turns.