Location : in The Cave of the Conquer, level 2, combat is possible. The passes : Purple (easy) / 10 Stages Green (medium) / 15 Stages Red (hard)/ 20 Stages Black (very hard) / 25 Stages The levels : Purple pass 50-100 Green Pass 90 -140 Red pass 150-220 Black Pass 160 -230 The levels of passes are changed now, but also depends if you go solo or with a party. They can be bought at the entrance NPC, Grave Robber Tang Mu Wen : Entrance : Room (there is only one room where all the mobs spawn). The dungeoun has stages, depends on the passes. You have to wait between stages. Stages have different time and mobs. Each stage is different from eah other. At each 5 stages you get boxes with rewards. The higher the pass, the higher the rewards. Stage 1-5 (green pass) The mobs can give you rewards such as : money, GTs, FSs, superior dungeouns passes, weapons, herbs, pills, etc.