Request GM help(请求GM帮助)

Dear GM, hello! I want to complete a task called Pebble of Kajaro in the game, but I can’t find the Pebble of Kajaro required for that task. I couldn’t find it in my backpack or warehouse. Can you help me recover it? Thank you!
My account name is knnsv.The character’s name is Lovelyfashi

Greetings. You can talk to the NPC to get the necklace when you reach the appropriate reputation requirements.

thank you