Kill the quest bosses, such as Bouncer, Tree Spirit, Count Draynor, Khazard warlord, The Kendal and/or King Roald, using Melee. Melee offers around 50,000 to 60,000 experience per hour with 200,000 to 400,000 Nightmare Zone points per hour. Using your weapon's special attack when possible will increase your XP rate.