Her brain waves, having been incited by this overwhelming burst of invasive energy, flooded her receptors with the information contained within, as well as all the secrets Daji had to offer.The nine tails was no fool. In her wisdom, she had deemed Zooey worthy of this secret knowledge, hence the gift of the sacred information.
Locked, and sealed within the energy (she had delicately infused into her progeny's mind) was the most valuable and cherished secret of the clan. It was the knowledge that sages, mages, and virtually all men chased their whole lives - the complete process to attaining godhood.
Of course, Daji did not trust Alex enough to simply blurt it out his presence.