Isnt that chunli Explosive wave thing?Chun-Li's losing life on that shot, and the text explicitly says what I translated (and they don't usually speculate that way). Also, what little we see of her doesn't look like the Kikou Shou Goku (big ball version of the Kikou Shou from MvC/SFEX).
If I struggled to the end of my determination, to the end of my way of life with my followers, if the result is ruin, then this ruin is inevitable. Grieve. Shed tears. But you cannot regret.