Board Thread:Warhammer 40k General Discussion/@comment-79.112.147.114-20160201151516/@comment-27890440-20160229184526

I like the idea that avatars vary in abilities, this is in line with greater daemons who vary quite dramatically between individuals of the same type. Not too sure about the certainty in the statement regarding them merging. If it has not been documented it isn't canon, merely speculation that makes a certain sense.