Could you kindly tell us what does "Gold monsters" mean? Do you mean the Huge Treasure Goblin(level 100)? If so, please check the Floating Isles, Sadethor's Fall and Tribal Plains to find it. Huge Treasure Goblins(level 100) spawn randomly in those three places. If not, please kindly send us an email at email@example.com
with more information about the "Gold monsters", and we'll work to help you with it.