Board Thread:General Discussion/@comment-30893016-20161230015230/@comment-8642280-20161230032045

From the Buildings page

Building priority (jewels):
 * 1) Magic School (Lvl 1)
 * 2) Yggdrasil x3
 * 3) Magic School (Lvl 6)
 * 4) Work Shop (3rd)
 * 5) Castle (Lvl 10)
 * 6) Magic School (Lvl 10)
 * 7) Castle (Lvl 11)
 * 8) Castle (Lvl 12)
 * 9) Work Shop (4th)