Huh? So Belphegor's Paralyzer and Huanglong's eidolon attack are different from paralysis? Ugh, mistranslations. I'll correct myself, then, my bad. That skill is better than I thought it was.
Its kind of annoying we don't have an explanation for each status effect, some of them are incredibly unclear. According to the description, hallucination (from cybele) should also cause the boss to skip a turn, but it doesn't always seem to happen.