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:

Broadsword	Broadswords	Butterfly Knives	Daggers	Hookswords	Iron Club	Jojutsu
Kali	Kama	Katana	Kirehashi	Kori Blade	Ninja Sword	NunChuckas
Pulse Blade	Sai	Staff	Straight Sword	Steel Fans	Sun Moon Blades	Tonfa