the map itself have the same drops as caves have but with premium service u get increased drop rate by 50% and premium maps have higher mob density than normal maps/caves. there r more benefits premium service provides aside from the 50% drop rate : Increases Hunt Exp by 20% Reduces Death Penalty Contribution Point +1 Premium Dungeon accessibility Cost of Upgrade, Combination, etc. will be reduced by 20% Supportive Skill Effective period extended by twice (excluding Party buffs)