Each Warrior has at least 2 unarmed styles and one armed style of fighting, with the exception of Blaze, Mokap & Moloch. Blaze and Mokap have 3 unarmed styles, and no weapon styles. Moloch has no style, you could say he uses brute strength.
Here are the unarmed styles used in MKDA:

Aikido	Ba Gua	Baji Quan	Crab	Crane	Dragon	Drunken Fist
Eagle Claw	Escrima	Fu Jow Pai	Hapkido	Hung Gar	Jeet Kune Do	Judo
Jujutsu	Karate	Kempo	Leopard	Longfist	Lui He Ba Fa	Mantis
Mi Zong	Muay Thai	Nan Chuan	Netherealm	Ninjitsu	Oni	Pi Gua
Sambo	San Shou	Shaolin Fist	Shotokan	Shuai Chiao	Snake	Tae Kwon Do
Tai Chi	Tang Soo Do	Tong Bei	Wing Chun	Wrestling	Xing Yi	Yuan Yang