The Key of Ith

Three times a day, you can insert the key into a
non-magical lock and cast the Knock or Arcane
Lock spell. Once a day, by inserting this key into
a door with a keyhole you can open it to another
door at a different location as if casting the spell
Teleport or Plane shift. Both doors can be no
taller than 10ft x 10ft and both must have a
keyhole. This portal remains open for 1 hour, or
until either door is closed. If the desired location
does not have a door with a keyhole, the portal
opens at th