can't breed Shell Dragon!!!! :-(

[KeriBeri71]

I have been trying for two days and used A LOT of gold to speed things up...its only classified as a rare dragon and i am breeding Tropic and Virtue...over and over!!! Im on android...what's going on here????????

[greygull]

See this thread on how the breed the Shell Dragon (http://forum.storm8.com/showthread.php?57216-Dragon-Update-8-19-13-Shell-Dragon). People have posted many combinations they used to get theirs.