i only need 1 more <omnious rock fragment> but i cant find it dropping on the mobs , it is for my collection i only need one more , people are saying to buy it in the giftshop NPC but i cant find it , can anyone tell me where can i find omnious rock fragment. i really need it to complete the collection , thanks 

regards,syre

The gift shop NPC will update its item list from time to time. You can also manually update the list by spending some stamina