From what I can count, Akutagawa cut off his leg, then Yosano literally grabbed it on that train, and Nikolai did the portal thing. Sorry if I missed any
What if Nikolai is.... Just a Russian writer who makes good stories Nikolai Vasilyevich Gogol[b] (1 April [O.S. 20 March] 1809[a] - 4 March [O.S. 21 February] 1852) was a Russian novelist, short story writer, and playwright of Ukrainian origin.