Weapon skills are trained by shooting people or vehicles, and range from “Poor” to “Hitman.” At the Hitman level, CJ can dual wield some weapons, including sawn-off shotguns, pistols, and machine pistols (the Micro-Uzi and the Tec-9). CJ's weapon skills are trainable just like his vehicle skills unfortunately, as opposed to those, there's a separate skill gauge for nearly every individual weapon. If you're practically out of fat, eat anything else to gain it back (up to 3% per meal), then work it back down to around 5% before each mission.īecome a weapons master. Whenever you eat, if your body fat is above about 3%, order a salad, as it's the only food that doesn't add fat. Eating most foods will cause CJ to gain some fat, but food is also very important to building stamina and muscle mass. Don't forget to eat properly as you train.Lung capacity isn't exceptionally useful except in a few scenarios. Finding oysters on the ocean floor also has a minor effect on it, and after collecting all fifty hidden oysters, lung capacity is removed altogether and you can stay underwater for as long as you wish. Lung capacity can be trained by swimming underwater until the last second and then resurfacing for air. You may also want to build up CJ's lung capacity, allowing him to stay underwater for longer periods of time.Body fat can be lowered to about 5% with no ill effects get rid of it completely, and CJ may lose muscle mass during strenuous physical activity. You're aiming for a rating of around 75-85% to maximize physical strength without sacrificing speed or agility. To build muscle mass, lift weights at the gym. In addition to stamina, CJ has muscle mass and body fat whose percentages can be altered by working out.