Board Thread:Fan-made Monsters/@comment-26517142-20160614124848/@comment-26517142-20160630032817

Hmm... primarily, they are emerald since they were made to outfit as EC mascots. However, there are some made outside EC who are created from other materials such as sappires, opals, rubies and many more.

Oh, check this out - http://monstergirlencyclopedia.wikia.com/wiki/User_blog:JeielYozama/The_Chronicles_of_The_Band_of_Men_(From_Oz,_Whitemarch,_Reptile_Kingdom_and_back)