Is HxH manga finished?
The long-running series made its debut back in March 1998, and Yoshihiro
Togashi has yet to finish the manga. ... Recently, Shueisha published its latest issue of Weekly Shonen Jump, and the update held a new interview with Togashi.
Is the HxH manga canon?
r/HunterXHunter 2011
is much more canon than 1999. But it also does have some fillers and omissions. 1999 is riddled with non-canon stuff though.
How did Hisoka died?
Having succeeding in this task, Hisoka dies
after fighting Chrollo in Heavens Arena, but revives himself, and goes on a killing rampage against the Phantom Troupe. ... Hisoka's Nen type is Transmutation, allowing him to change the type or properties of his aura.