that little moment of barry running at the end of the flash teaser like… honestly the effects were super impressive.. not just visually but also?? they literally had the water in the air evaporating around him because he’s generating so much friction from his speed, and because of that when the kinetic energy sparks it causes the rainbow refraction through the steam particles??? and there’s a little after image and distortion of environment when he zips away and honestly… pretty impressive………