Kana Rua repeatedly starts the conversation with the Od Nua talk. I didn't notice until after beating the Arda Dragon the new conversation thing popped up on his portrait and instead he talks about Od Nua again.
Steps to Reproduce: Talk to Kana Rua
Save File & Output Log: https://www.dropbox.com/s/gjtsqhix9d5xdv3/save.zip?dl=0