tf_weapon_crossbow

 tf_weapon_crossbow is a point entity available in Team Fortress 2.

tf_weapon_crossbow is the medic's primary weapon called the Crusader's Crossbow. The weapon fires a tf_projectile_healing_bolt which either heals its team or damages the enemy on collision. Though if the weapon is spawned by "ent_create tf_weapon_crossbow", it appears invisible.