Man, the fan-translation I'm reading is so bad I might just be better off struggling through the original Japanese....
The Dark Tournament gets better, but in a weird way. The Roto and Zeru fights are way quicker than I remembered, and thus feel a bit weak, since all they really do is showcase new abilities for Kurama and Hiei respectively. But the Chuu fight is actually better than I remembered, and a definite highlight of the manga so far, as well as Togashi's abilities as an artist more broadly speaking. I also like the brief battle between 45% Younger Toguro and the shitters he obliterates.
The manga then moves into the second round of the Tournament, in which we have Dr. Ichigaki's cyborgs, which I want to say are influenced by Dr. Gero and his Artificial Humans from Dragon Ball, but I think both groups debuted in 1992, so I'm unsure it's "fair" to say Togashi took such influence. Anyway, the official battle is Yusuke/Kuwabara/Masked Fighter against M1/M2/M3, with the other Ichigaki goons fighting Hiei and Kurama in the nearby woods, but of course the other baddies are shitters and die easily, allowing Hiei and Kurama time to drop into the ring at the end. Oh, and the Masked Fighter is seemingly revealed to not be Genkai (but it actually is...).
The last chapter here is an omake about Hiei and Kurama's first meeting, which is decent as well.
****
I already don't feel like doing the Nen thing anymore, but fuck it. Roto is an Enhancer, like a lower-level version of Menthuthuyoupi, I guess. Zeru is... an Emitter? Can Emitters launch flames, or do they need to Transmute Aura into fire first? Chuu is an Emitter because his main attack is basically a Reigan. The M# with the rings is I guess and Emitter, while the one who looks like Master Asia is probably also an Emitter who uses In for his attacks, and the last is maybe just an Enhancer. Ichigaki himself is possibly a Manipulator.