Nothing belongs to me.
Undertale locked door.
To do that you have to save just before he judges you and then reload several times until he gives you the key.
Nothing will open it not even the expensive mystery key item.
Anyone that s started up undertale for the first time will encounter a mysterious locked door early in the game s snowdin area.
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.
There is a dog behind this door.
The mysterious door is an area found in snowdin forest south of the right side of the room with the icy x s and o s puzzle.
The door which bears the delta rune is surrounded by glowing mushrooms and floating particles.
If the mystery key is used on the mysterious door it reads the following text.
You used the key the lock clicks.
Cinnamon bun reward.
You used the mystery key.
The protagonist can sleep in this room for 200 g yielding a similar effect to resting at snowed inn.
Frisk do not let them in.
First you have to get the key to sans room.
Handing over any of the listed items rewards a response and in most cases an item.
However unlike the snowed inn the money is not returned to them.
Glyde can be encountered in this room before fighting papyrus.
If used during the fight against mettaton ex the following text displays.
Sea tea reward.