Please read the description before purchasing Crystal Essence is one of the most important materials in making custom nichirin (such as flame nichirin, thunder nichirin, etc.) which is obtained by killing the Crystal Demon Trade Mechanism: 1. Chat after purchasing to confirm 2. Determine the meeting place between Grimm dojo in Okuiya /or Soup Place in Hayakawa and include it in the chat 3. Wait for the seller to reply to the chat and provide a server to enter together / or if you have your own server, you can enter it directly too 4. Join the game 5. The seller will provide items according to the nominal value purchased Store opening hours: 09.00 - 22.00 For Friday the shop opening time is 12.30 so please wait Purchases outside of shop opening hours will be served when the shop is open If there is a suggestion for an item that you want to buy, just tell the seller directly because the seller is willing to do the grinding for you :)