Talk:The Vermillion Summoning/@comment-7743566-20131011183838/@comment-15392450-20131011233137

Rare level Dragons are given from metal chests, and silver keys 3 & 5 can be earned from them, as well as 1 golden key.

Sigil of Earth is indeed Green, Darkness is Purple and Blue is Water.

Premium chests drop Premium Keys from what I can tell. Nothing else popped out into mind yet.