you were going trough the puzzles trying to save your parents&ancestors and knew you has to get rid of kintoru for that to happen and managed to destroy all 3 hearts and deafeat her in saigomo form but got two choices. Save your parents or Kill Kintoru. you choose to save your parents but didn’t realise you were tricked and only did when the strings already pulled you up to the web where everyone cursed by her in your bloodline was and only then realised you were fooled by her.