Also includes some sold in Udgaard, Hamsah, Seantryn, Blackclaw and Orc Village. You'll see an asterisk on the mercs in your group if they help ranking exp, instead of hurting it.

Here's the announcement for the change:
https://forums.carrionfields.com/dcboard.php?az=show_mesg&forum=47&topic_id=180&mesg_id=180&listing_type=search