Theoretically, it is possible to parry a sword stab like he did, you would have to react fast (which he did), strike the flat edge of the sword (which seem like he did) and retract your hand right away (which i assume that he did). All of which take master level skill and super human reflex to...
@givemersspls She just gave a very vague answear like any person with normal knowledge in music. And her expression can seen as someone who don't really know what to say when asked to comment about something like that.
@me474 it's simple really, stupid arrogant prince and corrupt noble looking forward to a puppet king. Luckily, he is the second prince and the first prince is way too competent albeit being an asshole.