Most viral edits use tracks (e.g., Homura by LiSA slowed + reverb, or piano covers of Gurenge ).
Twixtor is a plugin used to synthesize new frames. It creates "super slow motion" that looks buttery smooth rather than choppy, allowing viewers to track every frame of Rengoku's bravery. Technical Breakdown: Creating the Perfect Edit rengoku death twixtor 4k