VoA/Zones/beastdomain/Hunters' Bounty/misc
So basically in the missing of the zone is an area where there is a "King of the Beasts" / King of the Hill. In the middle is a named if you kill it forces a new beast to become king about 3-5 minutes later. So basically what you want to do is farm the empowered beasts surrounding the "hill" who drop the various quest items. 1 item per kill of empowered mobs. The named does not drop a piece.
Here is an example of where / when the apes are in control, aka the empowered ape mobs would drop {{#Lucy: Pristine Ape Fur}}