Episode 517: Furinkazan - Shadow and Lightning's Conclusion
Scenario: Kansuke Yamato reveals that Shigetsugu hooked his fishing rod onto the railroads power lines resulting in his death. He shows them Shigetsugu's diary which explains that the four victims were the cause of Kuroto Kai's death and deduces that Shigetsugu was the culprit who murdered the three victims before committing suicide. Conan and Heiji investigate Ayaka's crime scene and learn from the forensic team that Ayaka's hand had blue eye liner on it and realize who the true murderer is.
A centipede was found next to Shigetsugu's rod case. In Akira's training room, Akira and Yui Torada confront the real murderer, Tatsue Torada, the current wife of the head of the Torada family. Yui reveals that there were two more lines to the Fūrinkazan, the lines referring to shadow and lightning; She reveals that Shigetsugu's death was lightning, Kai's was shadow, and Akira will be fire in order to complete the Fūrinkazan. She explains that the blue eyeliner on Ayaka's hand was a dying message; The kanji for blue was referring to dark bay, meaning a dark horse and the one riding a dark horse was Tatsue. She explains that Tatsue wants to murder Akira so that she could win a bet involving a lot of money; the bet conditions were that if Akira were to miss a shot during his mounted archery, she would win the bet. Tatsue confesses to all the murders including Kai's death and her plans to murder Akira. Heiji, Conan, and Kansuke who were waiting to ambush Tatsue reveal themselves and apprehend her.