Blueprint: Underbelly PoE

Blueprints are used to perform Grand Heists. They work like Contracts, but additional details can be revealed to open up new wings and reward rooms. They contain rewards pertaining to experimented items.

List of Blueprints

Name Heist Target Area Level
Blueprint: Bunker Blueprint: Bunker Enchanted Armaments 34 - 83
Blueprint: Records Office Blueprint: Records Office Enchanted Armaments 35 - 83
Blueprint: Mansion Blueprint: Mansion Enchanted Armaments 35 - 83
Blueprint: Smuggler’s Den Blueprint: Smuggler’s Den Thieves’ Trinkets Trinkets or Currency 33 - 83
Blueprint: Underbelly Blueprint: Underbelly Thieves’ Trinkets Trinkets or Currency 33 - 83
Blueprint: Laboratory Blueprint: Laboratory Replicas or Experimented Items 43 - 83
Blueprint: Prohibited Library Blueprint: Prohibited Library Replicas or Experimented Items 43 - 83
Blueprint: Tunnels Blueprint: Tunnels Unusual Gems 33 - 83
Blueprint: Repository Blueprint: Repository Unusual Gems 33 - 83

How to Complete Blueprint: Underbelly

  • Heist Target: Thieves’ Trinkets Trinkets or Currency
  • Area Level: 33 – 83

Blueprint: Underbelly

Tips: since it is difficult to escape from a Grand Heist, it is suggested to get a Blueprint firstly, next upgrade your character, then complete the blueprint. I always prepare a Grand Heist when my character level is at least five levels higher than the blueprint’s area level.

1. Reveal Blueprint Details(Optional)

A Blueprint: Underbelly Blueprint: Underbelly can be taken to the following NPCs to inspect its layout. Initially, only one wing is revealed and some of the reward rooms and escape points will be locked. You can use one Blueprint Reveal and a payment of Rogue’s Markers Markers to reveal details of it.

NPC Reveal Price Gain more Blueprint Reveal chances
Whakano, the Barber no discount Complete more Contracts(Upon completing a Contract, you will gain one Blueprint Reveal. )
Niles, the Interrogator 10% discount Complete more Contracts with Niles
Gianna, Master of Disguise 20% to 40% discount Complete more Contracts with Gianna

Any unrevealed wings or rooms will not spawn when performing the Grand Heist.

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2. Assign your Rogues

The Blueprint: Underbelly Blueprint: Underbelly can then be taken to the Planning Table to assign your Rogues to it. Each wing requires three Rogues with the qualifying skills to be assigned to it. Assigning additional Rogues will increase the fee required to perform the Heist. You can then confirm the plans to lock in your plans. Once you confirm the Blueprint, you cannot reveal additional details or change your Rogue assignments. You can still modify the Blueprint’s affixes after you’ve confirmed the plans, however.

Assign your Rogues

3. Prepare Grand Heist

Take a Blueprint: Underbelly Blueprint: Underbelly to Adiyah, the Wayfinder.

Prepare Grand Heist

4. Complete Blueprint: Underbelly

  • Heist Target: Thieves’ Trinkets Trinkets or Currency

Thieves’ Trinkets Trinkets or Currency come from Blueprint: Underbelly Blueprint: Underbelly reward rooms. The target item, inside a Curio Display, will be a Thieves’ Trinkets Trinkets and a selection of currency items. You can only take one before Lockdown begins.

Thief’s Trinkets Trinkets provide item drop bonuses for Heists. Trinkets Trinkets can have up to four affixes and drop corrupted. The Trinket Trinket slot can be unlocked by clicking the “The Catch” Sculpture inside the Curio Display.

Thieves' Trinkets or Currency

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