Iirc parry timing is lenient after the hit. Meaning you should bias your parry to be late rather than early. Also use the sound cue of some attacks to learn the rhythm. Attacks without sound cue can generally be parried on reaction with the visuals except for some hard bosses like Simon.
Tricky fuckers. Almost bought the game because of this thread, then your post made me realize I'm just reading a bunch of weeb fanboys...
