Hirimawa

Who is Hirimawa
Who does not love Gold rooms ?

Meta-Ro Exclusive has enabled a modified Gold Rooms for the players, giving them a chance to loot

17c Diamond ! Which you need to exchange for Mithril coins.

Note:  Mithril coins exchange rate is 1:10mil zeny 

He is located in the second part of the market.

The Interface
You need to have an item called "One Way Ticket" which you can buy from the Vote NPC.

Once you have it, you just need to click "Warp me there!" to enter the modified Gold Room.

The Gold Room
Be ready once you enter the gold room !. you will be swarmed by High HP mobs called Guardians once you enter it after 3 secs. This room consist of 8 warps leading to the Boss room.

Note: Each warp has a Boss inside.

And finally the Boss room.

This Boss has the Highest HP mob in-game! and drops a 17 carat Diamond once killed !

and is needed to be exchanged for zeny in Hirimuwi NPC.