Gspt, About Oyohusa's memories if Elise was simply searching for a reason for his sudden hatred of Renair she would not have gotten the memories of the aftermath. His memories of the vision he had while on vision quest would be stronger as through the vision he actually witnessed the slaughter but saw the vampires as humanoid shaped monsters like they appear in the spirit realm. The only way she would have gotten the aftermath is if that is what she was specifically searching for. It is one of the main reasons he is the way he is. He actually witnessed the death of his people but was powerless to help or join them.