Sorry, summer classes are far more time consuming than I expected. I will have something posted in the next hour, even if it is a bit shitty.
EDIT:
Post up, ended the fight; had planned to make it go a bit longer, but it needed to end.
Rider should recognize Thanatos, even if it is not the Thanatos of legend it is also undoubtedly the Thanatos of legend, so to speak; The presence is the same, even if the appearance is different there can be no doubt.