Questguy Mark Quest/Spoiler

Method
Talk to Questguy Mark in Darashia, ask him for a mission, he will send you out to kill various creatures, when you are done with your task ask him for a mission again and he will reward you with experience or money and then send you out for a new task.

List of tasks
Reward: 4000 Experience Points Reward: 750000 Experience Points Reward: 10000 gold coins Reward: 250000 Experience Points'' Reward: 100000 Experience Points''
 * 1) 15 bears 20 wolf
 * 1) 2 Grim reapers
 * 1) 600 Amazons or Valkyries
 * 2) 5 Rotworms
 * 3) 5 Skeletons
 * 1) 650 Cyclops
 * 2) 50 trolls
 * 3) 350 barbarians
 * 4) 650 banshees and crypt shamblers
 * 5) 120 Tortoises
 * 6) 60 Minotaurs
 * 7) 400 Dragons, 250 Dragon lords
 * 8) 350 mutaded bats 250 mutaded tigers''
 * 1) 250 Tortoises 250 Thornback Tortoises''