COOL FOR: FIGHTERS WHO CAN TAKE A HIT. LOOKOUTS WHO DON'T SLEEP. HUMAN BATTERIES.
Endurance is your metabolism and circulatory system. It improves your Health — one of the two health pools in the game. It enables you to survive being a cop. Who cares if you can't aim a gun, if you can take a few bullets? Why be afraid of drugs that hurt your health if you're a very, very healthy man?
At high levels, Endurance enables you to take a few knocks to the head, enjoy a greater quantity of drugs, and shake off a few cardiac arrests — it makes you a powerful man, who looks down on the weaklings who can't keep up. However, cops with low Endurance are likely to struggle. The body is frail already, and the flesh of a cop will often be tested. And if it doesn't pass, it dies.