Damage

Damage is a value that affects health and armor. If enough is dealt to an enemy, they will die, and if enough is dealt to the player, they will be downed.

Bullets
Most weapons fire bullets, which directly inflict damage on the recipient and thus reduce their health. Enemies have damage falloff: if the player is too far away, the enemy's bullet will deal half as much damage compared to being fired at close range. If the player has a high Dodge stat, there is also a chance for bullet damage to be nullified.

Melee
Other than firearms and explosives, players and enemies, also have melee at their disposal. It works in a similar way to bullets, inflicting direct damage, but are only useful in close quarters.

Explosions
Explosions are typically done by RPG-7, grenades and trip mines. If an enemy is hit by an explosion (not killed), they are knocked back and temporarily staggered.

Fire
Fire occurs from trip mines by a skill named Fire Trap which leaves a lingering area of flame when the trip mine is triggered, and enemies in the fire will take damage.

Fall damage
If the player falls from a relatively tall height, they will take a small amount of damage directly to their health. Although not a threat in heists such as RO-Bank or Four Stores, where there are no major heights, it is quite problematic in heists that involve tall buildings, such as Authority and Brick Bank.

Tear gas
Exclusive to loud Downtown Bank, the police will use tear gas to try to hold back the players. Similarly to fall damage, tear gas is not affected by armor, and instead slowly reduces the player's health, due to it being a toxin, not a solid object. There are 2 rooms where it can be released.