Praetor to Shadow is an emote that is only obtainable by purchasing the Zaros Pack from Solomon's General Store. Free players can buy this for 1666 RuneCoins and members can buy it for 1500. Currently, you can not obtain this emote any way other than buying the Zaros Pack. Players must have the full Zarosian praetor outfit override activated in order to perform this emote. When performed, the player will have the Zarosian shadow override activated after the emote is performed.