RWC Exchanger
From Shining Moon Wikipedia
About
Exchange RWC weapons you receive from Lucky 3 Slotmachine for 
Moonlight Coin or 
+7 Armor Refine Ticket /
+7 Weapon Refine Ticket
How
Talk to the RWC Exchanger NPC, next to the Lucky 3 Slotmachine at @go 0.
Choose if you want to get Moonlight Coin or Refine Ticket.
Exchange 
RWC Memory Staff [1] , 
RWC Memory Mace [1] , and 
RWC Memory Knife [1] .
There is a small chance for extra rewards.
