Undertale Locked Door

After that you go into sans room and will find another key on a box.

Undertale locked door.

That key will open the back door. Anyone that s started up undertale for the first time will encounter a mysterious locked door early in the game s snowdin area. You used the key the lock clicks. First you have to get the key to sans room.

As the key failed to fit in the hole. You used the mystery key. In the nintendo switch version examining the door leading to mad mew mew in the dog shrine before it is unlocked yields a message saying that the door is locked by a mysterious seal as an ominous piano jingle is heard. However unlike the snowed inn the money is not returned to them.

Glyde can be encountered in this room before fighting papyrus. Handing over any of the listed items rewards a response and in most cases an item. The protagonist can sleep in this room for 200 g yielding a similar effect to resting at snowed inn. To do that you have to save just before he judges you and then reload several times until he gives you the key.

If used during the fight against mettaton ex the following text displays. The door which bears the delta rune is surrounded by glowing mushrooms and floating particles. Cinnamon bun reward. If the mystery key is used on the mysterious door it reads the following text.

Nothing will open it not even the expensive mystery key item. Frisk do not let them in. There is a dog behind this door.