Warehouse Keeper Collob:
Ah, yes, the Silver Dragon. What shall we trade? I'll tell you what, I'll trade you one Silver Dragon for 5 Silver Dryads and 5 Silver Undines. Or perhaps you would prefer a game of chance?
Exchange at set rate. Play game. [Guess correctly in 2 tries - 4 Silver Undines] Play game. [Guess correctly in 3 tries - 8 Silver Undines] Play game. [Guess correctly in 4 tries - 9 Silver Undines] Explanation of game