I had my keep covered in goza mats with diamonds, star sapphires, etc. as a dark sky covered with stars (example see screen attached). as I give it a new decoration I'll sell them now, first box with 124 black goza mats for 35k. vendor can be found on Freja's NEW/TDO vendor house on the south wall of Luna. The red robed elf on the roof will gladly serve you.