Mina the Hollower does not hand you a map at the start. You wander into Tenebrous Isle with no bird's-eye view, no minimap, and only a newspaper hinting at where to go next. That disorientation is intentional, but it does not last long. The map is available fairly early, it just requires rescuing a captured fox named Rhene and getting the Hollower's Guild back in working order. Here is exactly how to do it, plus how to upgrade the map once you have it.
How do you unlock the map in Mina the Hollower?
The map is not found lying on the ground or tucked in a chest. You buy it from a vendor named Drillhardt, who only becomes available after you restore the Hollower's Guild. That restoration starts with rescuing Rhene.
Hollower's Guild entrance
Step 1: Access the Hollower's Guild in Ossex
The Hollower's Guild sits directly to the right of Ossex's main entrance. The front door is not the way in. Break the boxes on the right side of the building and hop through to get inside. Once in, burrow through the hole in the north wall and speak to Muriel, who tells you Rhene headed south through the burnt town. Before leaving Ossex, make sure you are carrying at least one kear (the game's term for keys).
Step 2: Reach Rhene in the Southern Outskirts
Head straight south from Ossex's main entrance to the end of the path. Take the stairs on the left, then use your kear to unlock the path heading north. Defeat the enemy ahead and step on the button to remove the spikes blocking the gap. Jump across and insert a plasma vial into the yellow gate marked with a "1" to enter the building.
Inside, clear the enemies and press the button in the top right corner of the room. Go up the stairs on the right and keep pushing forward, defeating enemies and burrowing under traps, until you reach Rhene. She is injured. Use a plasma vial to heal her and she will start following you.
Rhene cannot burrow and will only jump across one-block gaps. If she cannot follow you, she stops where she is. Always check that she can physically make each crossing before you move ahead.
Rhene awaiting rescue
Step 3: Escort Rhene out of the building
The exit is in the northwest corner of the next room, but all the buttons in that room need to be pressed first. Leave Rhene somewhere safe, then work through the room systematically. Two buttons require burrowing into the bottom right corner. The last button is in the southwest corner. Once all buttons are pressed, the gates open. Bring Rhene through and follow the path from the southwest corner to the northwest exit.
In the final room, break the boxes in the top right to find a hidden button. Step on it to lower the spikes and exit the building. Rhene will make her way back to the Hollower's Guild on her own at this point.
Clear every enemy in each room before moving Rhene through. She panics and runs in circles if she takes a hit, which sends you back to round her up before continuing.
How do you buy the map from Drillhardt?
Back in Ossex, head into the Hollower's Guild. Rhene and Muriel will tidy the place up, which triggers some new interactable items appearing in the space. Look for a green spiral sticking out of a rock in the bottom left corner. Break it and Drillhardt pops out of the ground. He is described as a spiral-horned deer who sells Underlab checkpoint upgrades.
Talk to Drillhardt to open his shop. The Isle Map costs 500 bones. Once purchased, you can find it in the northwest corner of the Underlab.
The map is not a room-by-room layout like you would find in a classic Zelda dungeon. It shows Tenebrous Isle as a whole, with every region you have visited. Regions where you have restored the spark generator appear lit. Regions you have not reached yet are covered in dark clouds.
Full Tenebrous Isle map view
What does the enhanced map do?
The base map is useful for orientation, but the Enhanced Map is what completionists actually want. After restoring three spark generators, Drillhardt updates his shop and adds the Enhanced Map for another 500 bones.
This upgrade does not give you a more detailed visual layout. Instead, it unlocks a checklist system that tracks every collectible in each region you have visited. The catch: to see the checklist for a specific area, you need to have restored the spark generator there first. Some regions require multiple spark generator restorations before the checklist becomes visible.
The Enhanced Map only reveals collectible data for regions where you have already restored the spark generator. Do not assume a blank checklist means a region is empty.
Is the map worth buying early?
Yes, even the basic version. The regional overview helps you understand which direction each biome sits relative to your current position, which matters more than it sounds in a game that withholds fast travel early on. The Enhanced Map is the real prize if you plan to hit 100 percent, since tracking down every last collectible without it means backtracking through areas with no indication of what you missed.
Grab the Isle Map as soon as the Hollower's Guild is functional. The 500-bone cost is low enough that it should not delay anything else you are saving up for. Check out the full Mina the Hollower guides collection for walkthroughs on everything else Tenebrous Isle throws at you, including the exact release times by region if you are just getting started. Yacht Club Games built this one for fans of adventure games who want exploration with purpose, and the map system reflects that design philosophy clearly.