There's no such thing as a door in the Pokemon Mystery Dungeon games, but you can get to the next floor of a dungeon by using the stairs. You find the stairs by running around the dungeon floor until you find a gray, stair-shaped icon in the room, or by finding a blue square on the faint white map of the dungeon in front of you.
in any dungeon
In the World Abyss.
spacial rift
mt mistrall
amp plains! okay?
no but you will find the statue of arceus
You can find totodile at End Lake. It will randomly appear on B1F to B24F
You can find the plain seeds in all the mystery dungeon games, you just have to look for them
You Can't
Arceus, as a living entity, does not appear in Explorers of Sky. There is, however, a statue of Arceus on the 99th floor of Destiny Tower.
no
in the special episode today' oh my gosh