From LSWiki

Class: Combat Skills

Attribute: Strength
Pedagogy: Physical Training
Practitioner Term: Unarmed Fighter

The ability to use your natural weaponry -- fists, claws, fangs, horns, and so on -- in combat, as well as various weapons that are
used in a similar way, such as knuckle-dusters and artificial claws.  When fighting in this manner, your unarmed skill influences
your ability to hit your opponent, the damage you inflict, how fast your attacks are, and how well you can block attacks.

Development Information: The unarmed combat skill was created by Lost Souls; the source code was last updated Tue Mar 15 02:21:32
2016.

Trainers

Wandering Lhethan Hagal, Wikspisk
Avalon: Bercilak
Hanoma: Olaris Wanders
Kolond: Duthien (only trains dwarves)
Losthaven: Raelan Jax
Mycenae: Kyros
Shatterspire: Sthlar
Skarlan: Badlokk
Sseraka: Sscantha
Stillwater: Captain Roberts
Yathryn: Kajax (worship requirement)
Association required:
Maidens of the Spear:  Sulin
Guild required:
Aisenshi: Musashi
Brute Squad: Fezzik
Ordo Ignis Aeternis: Aedryl 
Ordo Ignis Aeternis: Iklam wanders
Knights of the Round Table: Sir Lancelot
Reapers: Holton Jax
Shapeshifters Maramar
Quest required:
Corna Quests: Marshall Osaka