Board Thread:Fanmade/@comment-38478843-20190325135319/@comment-36852367-20190422072649

Cackleviola wrote: No. That’s Chariot Requiem. The requiem arrows work just like that, transforming the stand into something with an ability that fulfills your greatest desire at the moment you stabbed it Well, actually, they don't.

In the manga, Polnareff accidentally unlocked Chariot Requiem by accidentally cutting its finger with the arrow when it fell behind his desk and he tried to get it out. It did the same shit as the actual Chariot Requiem fight (putting everyone to sleep, and presumably swapping everyone's souls).

So that means every stand just has a specific Requiem ability.