fielrins on yassam 9 prow per kill
raven standards give 13 per kill officers give 22
elementals on yassam the earth type give 5 per kill with 2 quests to kill 30 for 271 prow per quest and after that 2 quests for 150 at 1300 prow per
the feat quests to kill mobs like this are your bread and butter