I'm guessing that that Blind person have given Han Sen the techniques to avoid mental attacks precisely because of this old man, or at least whataver group he's part of.
** STRANGE TRANSLATOR TYPO'S:
Change <black> to <back>
and
Change <long time Daphne> to <long time since Daphne>
[was the straw that broke the camel's black]
and
[It had been a long time Daphne received a mission.]
Be well!
(KenJustKen)