The base power of Crush Grip varies between 1 and 120. The more HP the opponent has, the more damage this move will do.
Its damage is calculated by the following formula:
Base Power = 120 × (Opponent's Current HP / Opponent's Maximum HP)
The foe is crushed with great force. The attack is more powerful the more HP the foe has left.
The target is crushed with great force. The attack is more powerful the more HP the target has left.