Team Fortress Classic/Medic

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The Medic (new model left, old model right)

The most powerful of the light classes, the Medic is armed with a medkit, single and double-barreled shotguns, a "super" nail gun, and up to 4 normal grenades and 3 concussion grenades. The Medic has the ability to slowly regain health after taking damage.

He also has decent armor, the second highest speed, and great mobility. Despite his profession and the bright red cross on his chest, he serves well as offense in clan matches. Like the Scout, he can also conc jump.

The medkit has several uses. When used on a team member it cures all injuries, and boosts health, even raising it past the maximum to provide a bonus (up to 50 points above the original maximum hitpoints) that gradually fades back to full health. Using it on an enemy gives him a contagious infection that slowly reduces their health. Furthermore, this infection can be spread to other players on contact and can only be cured by that team's Medics. Medics, however, are immune to infection.