Ah,
On any NPC, to move to the dungeon you used the command MapMove (Specific Co-ords) or Map (Random location on Map).
MapMove MAP X Y
i.e. MapMove D2001 150 240
or
Map MAP
i.e. Map D2001
If you want to do a little more advanced, you could do the following,
[@Main]
#SAY
< Bichon...