While helping Gaunter O’Dimm inThe Witcher 3expansion, Hearts of Stone, Geralt can participate in an auction. During the event, you will have the opportunity to bid for a statuette said to hold the secrets to a family fortune. Winning the bid will let you start the treasure hunt, A Dark Legacy.

Related:The Witcher 3 - Treasure Hunt: Blood Gold Side Quest Walkthrough

A man presents an eagle-like wooden statuette at an auction house.

This guide will help you identify which item to bid for and with getting your hands on the treasure. This isn’t an ordinary treasure hunt. You will come face-to-face with a particularly dangerous monster while searching for the long-lost fortune in an abandoned castle the east of Velen.

How To Start Treasure Hunt: A Dark Legacy

Theonly way to start this questis tobid on the eagle statuette during the auction inOpen Sesame.This item will cost you300 crownsafter all the bidding is complete.

When you are ready,dismantle the statuetteat any blacksmith. You will receiveCount Romilly’s will and the Elaborate Keyfor dismantling it. The quest will start afterGeralt reads the will.

A screenshot of The Witcher 3, with an orange circle over a quest location.

The quest will bring you to theeast of Velen,at theArnskrone Castle Ruins.

Reaching The Treasure

Anancient leshen will be waiting for youat the castle. This is a particularly dangerous monster that willsummon crows and wolvesto fight Geralt and will have to bekilled to enter the castle.

Killing it is no small matter. Ancient leshens are deadly enough to star in their own witcher contract,In The Heart Of The Woods. That said, they have their weaknesses. They are particularly vulnerable toRelict Oilandbeing set alight.

A screenshot of Geralt looking at a chest in a dark room.

You can start another treasure hunt,The Secret Life of Count Romilly,by searching a corpse by a log.

After reducing the leshen to kindling,enter the castle and take the spiral staircase down.In the cellar,turn left and go through a specter-filled room.The treasure is in the following room, in a chest.

If you arestruggling to spot the chestin the dark room,consider using Geralt’s Witcher Senses.The quest will end after youopen the chest.

Next:The Witcher 3: Complete Guide And Walkthrough