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:
, highlighting a trend in 2021 toward more aggressive, high-fidelity sound design in shonen anime. Available Sound Assets and Covers mahitos domain expansion sound effect 2021
: Once the barrier closes, the audio shifts into a high-reverb environment, simulating a hollow, internal space where every soul-touch is magnified. Community & Creative Re-Designs In a 2022 interview with Anime Trending ,
: The sound design often utilizes deep, manipulated natural sounds. In notable re-designs and analyses, experts have pointed to the use of stretched and reversed thunder and lightning samples simulating a hollow