Suicide would have been so easy...and that's the problem. Everything makes this look impossible for it to be anything else, but if the spear did kill Nagito, Monokuma would have listed it in the file. That means we still don't know the murder weapon, and that means we can't call this a suicide yet.
But what the hell else could it be? And how did was it used?
Danganronpa 2: Goodbye Despair Statistics For Suraht
Suraht presently has 89,594 views for Danganronpa 2: Goodbye Despair across 105 videos, with the game making up over 3 days of published video on his channel. This makes up 3.40% of Danganronpa 2: Goodbye Despair content that Suraht has uploaded to YouTube.