primary fire: fire 12 pellets that have high spread and low individual damage
alt fire: hold down alt fire to increase how far the core is ejected

fire an explosive core that deals high damage and can destroy breakable walls and glass
primary fire: fire 12 pellets that have high spread and low individual damage
alt fire: pump the shotgun increasing it's damage. pumping too many times will result in an explosion when fired. dashing backwards at the right time will result in no damage taken. this can be a very very powerful tool
primary fire: fire 12 pellets that have high spread and low individual damage
alt fire: hold to charge a saw release to fire. this can be parried to keep it moving parrying with the knuckleblaster will result in it coming off the line and bouncing off walls.
the shotgun shells can be parried to create an explosive shell.
the core can be hit with the malicious railcanon to create a red explosion.
swapping to a different shotgun after firing will reduce the time between shots greatly.