The current plan to obtain new characters currently is: Add Character to Andromida Token NPC and High Master Stone then after another new character is released, it will be added to Premium Stone and Rare Chest of Heaven
Considering Lama which is a more coveted stance is already in it, yeah it makes sense, plus considering how they are priced in retail servers now, those other stances are pretty much not that rare anymore. But yeah that is in retail, the reason for the lack of these stances here is the...