Hidden Repositorium is an event dungeon for players level 50 and above. It's located in Southeast Asia India. In order to obtain a key, you can exchange your [Oceanic]Gold Emblems in Valentine's Sweetheart NPC located in Rome.
Entrance Fee or Key: Hidden Repositorium Key
Minimum Level: your Main Character must be level 50 or higher to enter this dungeon
Monsters: Scale to Main Character's level
Battle Type: Normal Battle
Time Limit: 10 minutes
Monster Rewards: Atlas Ore, Atlas Ore E, Atlas Ore Shards, Oceanic Coins, Shining Water of life, Combat Scrolls.
Final Reward: 50/100/250 Water of Life (Depending on the number of kills)
Cooldown (CD): 20 hours
Happy Hunt !