Sukuna using his Domain Expansion in the anime (Image via ... t at his best and would have defeated them if he was in his true Heian era form. This would seem like a bizarre statement to make ...

While Ryomen Sukuna is a Heian-era demon in the Jujutsu Kaisen ... The hand signs and symbols used right before casting curse techniques and domain expansions are also noted to be influenced ...

These threads, while intriguing, feel incomplete without the context that only a Heian Era flashback flashback could provide. While Sukuna's straightforward evil serves its narrative purpose ...