Re: Secret behind Obito's Kamui?
Lool you know it is man. Itachi was lying to Sasuke about Madara. Forget what he called him. In Itachi's own memories, he MET Tobi the night before the massacre and that was it. Shisui had already given him his eye and Itachi NEVER trusted Tobi, hence why he tried to kill him and was shocked Tobi knew the truth about him.
Tobi was not Itachi's mentor, nor was he the one who trained him. I think on this one, your wrong bro