When was Empyreum popular? IIRC, Goblet, and Empyreum were the last wards to sell out there mediums/larges on Dynamis when the wards opened, after 3 housing lotteries. Even if you look at them based on small houses, Empyreum is practically abandonned, in some cases arguably even more than the goblet.

LB>Shiro/Mist>Empy>Gob would seem more accurate based on my observations of housing lotteries with the new DC opening/new wards.