Quote Originally Posted by TheAbominatrix
Hm, dont remember that at all. But still, it's not like the Ronso were singled out. Tons of people were killed by Sin.
They weren't really singled out by Seymour, but when they got in his way on Mt Gagazet he exterminated practically all of the Ronso on the mountain.

In FFX-2, one of the sub-plots revolves around the Ronso's growing resentment for the Guado due to this incident.