Quote Originally Posted by LeCrestfallen View Post
its more attractive to fire players, however i don't know how the game behaves if you have the same eidelon twice equipped. Usually it shows every main eidelon from your team that got a different element, but echidna is a dark element eidelon, not fire, even though she improves dark/fire.
I explain how the friend eidolon system works in my guide section How to attract strong friends.