The confusion often stems from how streaming platforms or pirate sites catalog "Parts." If a site labels Part 2 starting from "1," then "Episode 10" of Part 2 would actually be of the overall series. If you see "105," it is almost certainly a typo for Episode 10 of Part 2 (Episode 21) or Episode 11 (Episode 22). What Happens in the Climax of Part 2?
Lists the series as a single season with 23 episodes. 86 part 2 episode 105
The anime adaptation of 86 Eighty-Six , produced by A-1 Pictures, is divided into two parts (or "cours"). Episodes 1 through 11. Part 2: Episodes 12 through 23. The confusion often stems from how streaming platforms