Each time you hit the enemy it increases. In the lower part of the screen you will see a critical damage bar.
is working slightly different than regularly - it is not random based.
are available as well, like 'Mysterious Stranger' which gives you a chance that during the action a mysterious stranger will appear and deal additional critical damage to the opponent. Perception parameter greatly improves the hitting probability. It changed dynamically while the enemy is moving. In the aiming view, above each body part there is a chance of hitting shown. What's worth mentioning is that the system is not limited only to gunfire.
The greatest advantage of the system is that a sequence of planned actions is performed by your character much faster than in real time. Each sequence can be freely canceled, for example when the enemy managed to hide and you are sure you won't hit him. The length of the sequence (how many shots can be fired during single activation of the system) depends on the weapon you use, optionally the necessity to reload and most of all the number of action points (maximum/available). Pressing the button which activates this mode will greatly slow the time and allow you to aim at any part of enemy body after selecting the attack sequence.
V.A.T.S is a special system that allows you to aim.
