Please read the description before purchasing Green Horn is a drop from the mini boss in Demonfall which comes from the Green Demon which functions to make Crystal Keys or one of the requirements for learning animal breathing (Beast Breathing). 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 :)