If your Zaw is equipped with Exodia Contagion and you use Melee attacks while also bulletjumping or jumping in general it sometimes happens that you automatically go into the aimglide mode due to blocking bullets shot by the enemies. Unfortunately since you can aimglide midfight without having control over it, it can happen that you shoot the Exodia projectile without the intention to do so. That will in many cases result in you killing yourself because of the projectile explosion