I don’t buy the tournament reference. The sigils are for me nothing more than your top of the mill medieval heraldry. And the tournament grounds just looks like a tournament ground.
Never thought of it But when Gerald first meets ciri in an island .She talk about the place where she fled with avalach.She tells there were flying cars etc .was that a reference of cyberpunk?
There is also a little girl the same that says my brother gave me a sword, i named it Nidle. The same girl, says or rather asks Geralt: Can you toss a axe with your left hand. Referencing Arya Stark since she is a lefty.
the witcher TV show absolutely tried to be game of thrones. honestly tried to be game of thrones more than the actual witcher source material(hyperbolic)