Moonlighter
57 Achievements
1,000
25-30h
Going for Supplies...
Use the Emblem in the room before the boss room Details for this achievement will be revealed once unlocked
12
6.94%
How to unlock the Going for Supplies... achievement in Moonlighter - Definitive Guide
However, I wanted to add that you still can get this even if you've killed the main boss of that dungeon, so don't worry if you killed all main bosses and only realised this achievement exists.
Worth to note though, emblem teleports are expensive on last floor of dungeon (more so on fourth dungeon) so make sure to take that in consideration.
The Merchant Emblem is acquired the first time you reach the third floor of the Golem dungeon. Using this item will create a two-way portal that will allow you to leave a dungeon and return - but only once. This is useful to sell your inventory and possibly upgrade equipment or buy potions before facing the boss. You will know you've found the boss room as the doorway is more ornate, and on the map you will see a small arrow on the doorway rather than just an opening like the normal room transitions. Be sure to use the Emblem in this room.
When you reach the 3rd floor in the Golem Dungeon for the first time, you'll obtain a Merchant's Emblem that allows you to open a portal to lead you back to town. This is different than your pendant, as you are able to go back through the portal to return to the same spot in the dungeon. It will close upon your return to the dungeon.
Once you reach the room before the boss room, you'll know you're there when you see a big door that's different than the ones you seen before. You'll then go to your inventory and activate your Merchant Emblem. The cost of activation will vary depending on the dungeon, and the floor you are on.