User blog comment:Ixarising/Crazy/Insane Power-ups/@comment-26322543-20150516115140/@comment-1359322-20150516134620

Well Vritra Promotion is kinda like a mode where the 4 SG fuses into one rather than it being BTB. And while it isn't really that important:

"[….A Sacred Gear that moves by itself, by its own will…….. And it’s a Longinus! On top of that it reincarnated into a devil! Is it the lion that is amazing or the Evil-Piece that is amazing……. Either way, this interests me a lot! Very interesting indeed! Hmmm, no wonder we couldn’t locate it. Shit! Why do rare phenomenon occur to the Longinus in this era! Forget that! Sairaorg! Bring that lion to my laboratory next time! I really want to research it!]"

- Azazel