Versatile

Source Core Rulebook pg. 283 4.0
A versatile weapon can be used to deal a different type of damage than that listed in the Damage entry. This trait indicates the alternate damage type. For instance, a piercing weapon that is versatile S can be used to deal piercing or slashing damage. You choose the damage type each time you make an attack.

Monk Unarmed Attacks

Vitality Blast

Weapons

Aldori Dueling Sword, Asp Coil, Bec de Corbin, Boarding Axe, Broadspear, Clan Dagger, Claw Blade, Clockwork Macuahuitl, Dagger, Dagger Pistol, Dancer’s Spear, Dueling Spear, Earthbreaker, Feng Huo Lun, Flyssa, Gaff, Gnome Amalgam Musket, Gnome Hooked Hammer, Greatsword, Gun Sword, Halberd, Horsechopper, Kalis, Karambit, Katana, Khakkara, Kusarigama, Leiomano, Long Hammer, Longsword, Main-gauche, Morningstar, Naginata, Sai, Shauth Blade, Shears, Shortsword, Starknife, Talwar, Three-Section Naginata, Triggerbrand, Visap, Wakizashi, Wish Knife, Zulfikar