My martial arts mod now includes the kentauri. Much like the centaurs, I think, only probably elf-based.
My mod now includes, in addition to natural attack and body alterations:
Creatures:
Dark elves (renamed drow), entity, evil.
Dark outcasts (renamed driders, an elf/GCS crossover), entity, evil.
Feral outcasts (feral driders), non-civ aggressive, evil.
Kentauri (misspelled centauri, also elf-based), entity, good.
Black dragon, non-civ, power, evil, megabeast
Stone golem, non-civ
Stone warped golem (blade-handed golems), non-civ
Stone shard golem (very resilient), non-civ
Stone shard elemental (very resilient), non-civ, flier
Copper golem (copper man), non-civ, aggressive
Silver golem (xenomorphic T1000), non-civ, semimega
Golden golem (similar), non-civ, semimega
Adamantine golem (similar), non-civ, flier, megabeast
Large demon rat, giant demon rat - evil twins of normal rats
Divine being, non-civ, flier, power, good, fireballs, megabeast
Weapons:
Shovel (digging tool for elves)
Pitchfork (spear class)
Trident (spear class)
Flanged mace (mace class, human-specific)
Club (mace class)
Spiked club (mace class with a stick chance)
Greatsword (sword class)
Dwarven waraxe (axe class, dwarf-specific)
Elven longblade (sword class, elf-specific)
Hand crossbow, ammo: blowdarts (xbow class, dark elf and outcast specific)
Giant arbalest, ammo: harpoons (xbow class)
Longbow (bow class)
Recurved longbow (bow class) - these two are mostly for flavor right now
Crude bow, ammo: sharp sticks (bow class, kobold weapon)
Ugly flail (mace class, kobold weapon)
Shard sword (sword class, itemcorpse of the shard elemental)
Shard shield (shield, itemcorpse of the shard golem)
Engraving shapes:
Eclipsed sun
Setting sun
Waxing moon
Waning moon
Calm waves
Rippling waves
Crashing waves
Tidal waves
Snow-capped mountains
Storm-crowned mountains
Storm clouds
Fluffy clouds