NPC's warping in the Jails in Najena.
 

If you have a mob low on hp's in the jail area in Najena, it will eventually wander into the cell with the Injured Halfling. It will walk towards the broken up wall of that cell about 3-4 times, and then warp somewhere else in Najena. I just had Rathyl warp somewhere near Najena herself from the cell, and then died due to low mana and Rathyl's pet, plus Rathyl Reincarnate when they all found me. That warp is a real PITA. Hopefully it's an easy fix.

Happened in the other jail cell a second ago when a low health mob fell through the floor trap. She bounced up and down like a yo-yo, impossible to hit, until she warped upstairs.

Bump.
They warp to the zone entrance somewhere, sometime after he warped from a jail cell, I found Moosh walking in flee-mode near the campfire with first ogre guard from zonein.

EDIT: All right, saw what happens. Their flee path actually goes UP THE PIT TRAP in the cell with the tentacle terror.