I just soloed the captive event in nurga where you bring the three certain things from named mobs all over the mines and when you hand them in a goblin seargent and 4 reavers pop out. After dispatching all 6 waves and the overseer nothing happened except the captive changed races. the only message i got after finishing the event was..
The mine overseer and his minions have been successfully defeated...An enslaved miner has been successfully freed.
Any ideas on what should have happened or didnt are much appreciated.