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Icon Title In-game Description Recipe Screenshots Salvagable Teleportable Bloodbound Max Stack Size
Item icon
Bone Castle Key

By accessing a Level 1 Enemy Castle Heart you may spend Level…

320× "Blood Essence" iconBlood Essence Blood Essence
1200× "Stone" iconStone Materials
400× "Rugged Hide" iconRugged Hide Tailoring
400× "Bone" iconBone Alchemy

Yes

No

No

Item icon
Copper Castle Key

By accessing a Level 2 Enemy Castle Heart you may spend Level…

"Greater Blood Essence" iconGreater Blood Essence Blood Essence
240× "Stone Brick" iconStone Brick Materials
80× "Copper Ingot" iconCopper Ingot Materials
60× "Leather" iconLeather Tailoring

No

No

No

Item icon
Golden Castle Key

By accessing a Level 4 / 5 Enemy Castle Heart you may spend…

"Primal Blood Essence" iconPrimal Blood Essence Blood Essence
18× "Gold Ingot" iconGold Ingot Materials
60× "Dark Silver Ingot" iconDark Silver Ingot Materials

Yes

No

No

Item icon
Iron Castle Key

By accessing a Level 3 Enemy Castle Heart you may spend Level…

No

No

No

Item icon
Major Explosive Box

A box full of explosives, handle with care. Can be used to destroy…

No

No

No

5

Item icon
Minor Explosive Box

A box full of explosives, handle with care. Can be used to destroy…

No

Yes

No

5