You need 2 players in a multiplayer server. We're gonna call them A and B. A goes into spectator mode and spectates B. B enters a nether portal. After B teleports A leaves spectator mode. A will be teleported to B's coordinates but in the wrong dimension.
Zymborg
You need 2 players in a multiplayer server. We're gonna call them A and B. A goes into spectator mode and spectates B. B enters a nether portal. After B teleports A leaves spectator mode. A will be teleported to B's coordinates but in the wrong dimension.