Ah, thanks for clearing up my doubts, i guess its probably for dramatic effect then. The slowing down effect happens a few seconds after the boss is shown glowing and the camera always focuses on Sora in the end. Though in normal fights with objectives, the camera zooms in on the one who lands the final blow to the enemies. Another thought occurred to me, in KH1, abilities were awarded when you level up and fight certain bosses, i believe. For KH2, every boss or mini-boss, will award stat and abilities when the fight ends. Sort of a good way to enhance the Sora and his party's stats without too much grinding, imo.