This guide provides a comprehensive list of all available doors in the game Nunholy, along with the contents of each door.
Moon Door

Contains: Moonlight Blessing: Gain or Strengthen a Vampire Power (Ultimate Ability Slot)
Affinity Door

Contains:
Ruby Gem (Used for Upgrading Main and Secondary Weapons after a run or increasing Companion Affinity)
Garlic Door

Contains:
Lillian NPC (Affinity Gives: Extra Garlic Pots, Advanced Garlic Chance, Discount on Items)
Sells:
Garlic (Food that grants protective shield against Vampire attacks)
Advanced Garlic (Food that increases the players max health)
Ritual Door

Contains:
Fresh Blood (Level Up or Gain Currency)
Secondary Fresh Blood (Level Up Only) that spawns after the first one has been Absorbe
Blacksmith Door

Contains:
Enhancement Circle (Upgrade an Artifact)
Demon Door

Contains:
Mini Boss Room
Drops a chest with Random Artifact once the Boss dies.
Blood Gem Door

Contains:
Fresh Blood (Level Up or Gain Currency)
Blood Ore through the room that directly drops Fresh Blood (Level Up or Gain Currency) when broken
Chalice Door

Contains:
Blood Grail (Increase the Players Maximum Health)
Healing Door

Contains:
Nemera NPC (Affinity Gives: Blood Donation & Transfusion Effects Increase, Scales per Affinity)
Abilities:
Tranfusion Gains HP
Donation Sacrifices HP for Fresh Blood (Level Up or Gain Currency)
Note: Donation sacrifices the same amount of HP that Tranfusion heals. If done in this order they can be used to generate a free Fresh Blood (Level Up or Gain Currency)
Silver Door

Contains:
Fresh Blood (Level Up or Gain Currency)
Silver Currency (Used for: Purchase ability upgrades after a run)
Merchant Door

Contains:
Evalaine NPC (Affinity Gives: Reroll Count +1, Sale Price +5% Scaling per level)
Buys your Artifacts for Fresh Blood (Gain Currency Only)
Sells 3 Random Artifacts
Vampire Door

Contains: Main Boss
4 Fresh Blood pedestals that protect the bosses coffin and spawn waves when opened.
Once the Main Boss is defeated, spawns Portal (Awards a Legacy passive bonus) then teleport the player to the Rest Zone
Rest Zone Contains: Seraph NPC (Affinity Gives: Healing Amount Increase, Scales per level)
Ability: Heals the player after Main Boss encounter based on affinity.