Ysilum Palace (Great Empires)

The Ysilum Sarum, literally "ice palace" in Chrelytian, or Ysilum Palace is an enormous palace completely made of ice and snow on Chrelytium. It was built by Haladna Thanda as her residence after absorbing the power of the Diamond of Chrelytium. However, she failed to control the other Chrelytians who tried to stop her, imprisoning her on the planet forever.