Board Thread:General Discussion/@comment-10529169-20150417024930

Look at the gems in the Enchiridion. http://img1.wikia.nocookie.net/__cb20140216003001/adventuretimewithfinnandjake/images/a/a2/S4_E26_gems_completed.PNG

The gems were killed by the Mushroom Bomb and withered forms of their gems were all thats was left behind. These gems were givin to the princesses as symbols of royalty, since they contained dead ancient warriors. 