Opals, Paris (Francia)

The opal is in the same room as the treasure map.

The opal is located in the catacombs under the Saint-Merri church. The entrance is in a small crypt next to the church. The key to the gate can be found in the church in a vase that you must break.

In the basement you will have to destroy the stone wall blocking the passage. If you need an oil jar for this you will find it in a small room behind the racks.

The entrance is in one of the nearby houses.

It is in one of the rooms of the Clever Fox Tavern. You will visit this room during one of the quests.

It's inside the Lutetia Bureau.

The entrance to the catacombs is inside the Boatmen Baths Tavern.

You will visit this underground during one of the quests.