Graviton singularity cannon

Roll a D6 each time before this weapon is fired. On a roll of 1, the bearer suffers a mortal wound and the weapon fires normally (if the bearer survives this). On a roll of 2-5, the attack is carried out normally using its listed profile. On a roll of 6, the weapon's attacks are instead carried out at Strength 16, AP-4, Damage 6 instead of its normal profile.