The true purpose of the tournament is to gather data from the world's most powerful fighters to complete the BLECE (Boiling Liquid Expanding Cell Explosion) project, a living weapon.
S.I.N.'s primary goal is to lure Ryu into the tournament to analyze the Satsui no Hado , which they believe is the final data point needed to perfect their project. Character Journeys Ultra Street Fighter 4
Seth , the CEO of S.I.N., serves as the tournament host and final boss. He is an artificial human created by Shadaloo to be a spare body for M. Bison. The true purpose of the tournament is to
Seeks to find the true purpose of fighting after moving past his obsession with revenge against Ryu. He is an artificial human created by Shadaloo
A fight against Seth (or occasionally secret bosses like Akuma or Gouken).
A specific encounter with a cinematic intro unique to that character pair (e.g., Ryu vs. Ken or Sagat vs. Ryu ).