Act 3 of Baldur’s Gate 3 presents players with a myriad of quests, including several hidden side quests. One such intriguing quest is “Find the Mystic Carrion’s Servant,” a task offered by Mystic Carrion, a concealed entity situated in Philgrave’s Mansion in Lower City. This guide aims to detail each phase of this multi-layered quest.

How to Gain Access to Philgrave’s Mansion

Upon entering Lower City, you will find Philgrave’s Mansion situated near the area’s entrance. To gain access, you have two notable options:

  1. Arcane Method: Approach the stone-like door and use a character proficient in Arcane skills to dismantle the magical barrier. Doing so will reveal a passageway.
  2. Brute Force: Alternatively, characters like Karlach can destroy the stone barrier, creating an opening to enter.

Either method will successfully grant you access to the mansion.

Locating Thrumbo

The quest demands you to find Thrumbo, who resides in a diminutive dwelling past the Heapside Strand waypoint. After leaving Philgrave’s Mansion, head towards the waypoint. Soon, you will spot vines to your right; climb down these to discover Thrumbo’s hideout. Upon entry, follow the blood trails to a wardrobe. Interacting with this will result in Thrumbo’s appearance.

Decision Point: Assist or Eliminate Thrumbo

Upon meeting Thrumbo, you are presented with two choices:

  1. Assist Thrumbo: If you sympathize with Thrumbo’s plight, you can opt to help him defeat Mystic Carrion. For this, you will need to locate evidence to prove Thrumbo that Mystic Carrion’s heart resides within him.
  2. Eliminate Thrumbo: Alternatively, you may choose to slay Thrumbo, allowing you to loot Mystic Carrion’s Heart from his corpse. This course of action will likely result in a more rewarding outcome when negotiating with Mystic Carrion.

How to Find Mystic Carrion’s Body Parts

Defeating Mystic Carrion necessitates the location and destruction of jars containing his body parts.

Jar of Mystic Carrion’s Heart

Already discussed earlier, this jar can be acquired by either killing Thrumbo or convincing him to side with you.

Jar of Mystic Carrion’s Lungs

These can be found in the Baldur’s Gate graveyard, northwest of Basilisk Gate. To obtain them, locate a trapdoor at coordinates X: 31, Y: 21. Lockpick this door and advance into the main room where the jar can be found.

Jar of Mystic Carrion’s Liver and Brain

These body parts are hidden in the city sewers. Reach the Under City waypoint and proceed west to enter a passageway. Once inside, expect a battle with undead creatures upon attempting to loot any treasure.

By following this comprehensive guide, you should have no trouble completing the “Find the Mystic Carrion’s Servant” quest in Act 3 of Baldur’s Gate 3. Good luck in your endeavor to either assist or defeat Mystic Carrion.

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