Lind was confused about the young girl in front of him. As aether beasts progressed or had more powerful parents, their race memory access improved.
Ethry always described it as an expansion of her knowledge and allowing her to quickly learn Arts that were aligned with her body and Qi flow.
Kora and Tal both were unique in that they said their race memories felt distant but more complete when they looked into them. He suspected their manifestation via a Divine Inheritance was the cause so he always took their insight with such a consideration.
Other aether beasts that were willing to talk about it gave him an idea that the more divine purity in the bloodline, the greater the benefit. Yet all beasts usually enjoyed massive jumps in ability, cultivation realms, and so forth.