Arcane Gate

Duration: 10 minutes, Concentration
You create linked teleportation portals, one portal
within 10 ft of you and the other within 500 ft.
Each portal is 10 ft in diameter. If the portal
would open in the space occupied by a creature,
the spell fails, and the casting is lost. The portals
are 2D glowing rings filled with mist. A ring is
visible only from one side, which is the side that
functions as a portal, passing through a portal
from the non-portal side has no effect. As a
bonu