JoJo's Bizarre Adventure: Golden Wind Episode 13: Mirror Man and Purple Smoke
Episode 13 of 39 of JoJo's Bizarre Adventure: Golden Wind, aired December 29, 2018, 24 minutes. Available with English subtitles and dub where released.
Episode summary
The person hiding in the mirror was Illuso from the Hitman Team. Fugo ends up being dragged into the mirror by Illuso's Stand, Man in the Mirror. Fugo then summons his own Stand, Purple Haze. Despite Giorno wanting to find Fugo, Abbacchio decides to go look for the key, since that was their mission. However, once Abbacchio finds the key, he also gets dragged into the mirror world...