Unrest is pretty much your playground.
Outside of that, you may be able to kill some of the 'a treant' in south karana, though they'll con pretty high at 20.
http://wiki.project1999.com/A_treant
May be able to do the gnolls in South Karana. Again, higher cons.
http://wiki.project1999.com/A_Tesch_Mas_Gnoll
This guy is South Karana's national treasure. Level 20 on a 2-minute respawn. You can yell at him (say the phrase 'kill you') to make him come out of his hiding place:
http://wiki.project1999.com/A_Hermit