1-Each channel has its own kill count of its monsters. 2-Every X amount of kills of a particular monster on the same channel drops his DPK item. 3-Channel kill count is based on kills of all players. 4-DPK resets after the item DROP. 5-Channel kill count resets on maintence. thanks @StratosLash 6-For weapons, the respective class has double points in the dpk system. Meaning swordmans gets sword,2handsword by half DPK required for the other 3 classes. 7-Drop are defined with kills not on spawn.