The brooch God Juggler is only obtainable after killing each of the Gods at God Wars (Graardor, Kree'arra, Zilyana, K'ril, Nex, Janai). You may then purchase it for 5,000,000 coins from the Brooch shop, located under the Champions' Guild. God Juggler makes a symbol of every God Wars god in there corresponding color appear behind you. Along with that, if you manage to obtain a Godsword, the blade will glow a golden color. Like reaching a level requirement, you will receive a notification that tells you you may purchase the brooch.