Kill them.
If I'm the Wizard and I'm being reduced to Security Guard, then someone's got to die.
How? The guy with NPC levels is your master, a cat can kick your ass.
***
There's a hole, there's a hole.
There's a hole in the middle of the wall.
There's a ring gate, there's a ring gate.
There's a ring gate in a hole in the middle of the wall.
There's an illusion, there's an illusion.
There's an illusion in a ring gate in a hole in the middle of the wall.
There's a room, there's a room.
There's a room in an illusion in a ring gate in a hole in the middle of the wall.
There's a lair ward, there's a lair ward.
There's a lair ward in a room in an illusion in a ring gate in a hole in the middle of the wall.
There's sand, there is sand.
There's some sand a lair ward in a room in an illusion in a ring gate in a hole in the middle of the wall.
There's a king, there's a king.
There's a king in some sand a lair ward in a room in an illusion in a ring gate in a hole in the middle of the wall.
Wizard: I cast Greater Teleport! Take me to the King Caknothindme.
Spell: Error, site unknown. Please enter description.
Wizard: Well no one enters but the king, the doorway is trapped, but I did charm the crap out of some mice. Take me to the sandy area!
Good luck teleporting into that in which you cannot find and that in which is everchanging and widely fits the description of thousands upon thousands of miles of nothing. Best part is you can buy this stuff rather than having to cast spells all the time.