The Humani Chronicles
Corinne’s very first friend, Inora lives in Teshak during the war. She is the daughter of an ambassador, and one of the few Teshak of the time to speak Chidoan. She teaches Corinne Teshak and gains her trust, causing Corinne to confide her secret ability. Corinne asks for her help in stopping the Chidoans from winning, but Inora betrays her, giving the secret of the bond to the her father, who bonds with the rock layer (which is why Lexia, a descendent, has it later… earlier…), which she then inherits.