In a 2022 interview with Anime Trending , the sound design team for Jujutsu Kaisen (credited under MAPPA’s in-house audio division) hinted at the creation of this effect. While full details remain proprietary, audio engineers analyzing the 2021 track have reverse-engineered the process:
This signifies the absolute closure of the domain barrier. It provides structural weight to the ability, telling the audience that escape is now impossible. It contrasts the organic nature of the hands with the rigid, inescapable reality of a magical prison. 3. The Low-Frequency Atmospheric Hum (Existential Dread) mahitos domain expansion sound effect 2021
: The specific theme for his domain, titled "Self-Embodiment of Perfection," was widely released and shared on platforms like YouTube and SoundCloud in April 2021. In a 2022 interview with Anime Trending ,