Every year, the prophecy says that NA will have savior to save the region but also get cursed as while they win a tournament, they normally get disbanded in the end, we saw what happend to Optic and EG in the past 2 years
They won't split up unless it's for retirement. Watching the matches and post interviews, they know their chemistry has gotten so good that it'd be a waste not to keep going. They already saw the results from last year.
FNS said on his stream that the chemistry that SEN have right now is rare and he only experienced that in his Optic valorant team out of the 10 years he's been playing.