Dungeon coins will usually be given to the player any time they beat a specific dungeon floor, although some floors will only award them the first time they are beaten. The coins can then be taken to the Amlupian Redemption Centers in Valgarde in order to receive a random prize. The prize a coin can offer varies widely, ranging from simple gold nuggets to fully enchanted iron swords, tipped arrows and splash potions. This is the most effective way of accumulating special equipment. Dungeon Coins can also be bought or sold at the Grand Exchange, just across from the Redemption Centers.
If the player's inventory is full, they will not receive a Dungeon Coin.