Tlincalli

Tlincallis, also know as manscorpions, scorpion folk, scorpionmen, and stingers,

History
Around, a unit of two thousand enslaved tlincallis was part of the army of the City of Brass. The unit was called the Black Darts and they used javelins in battle.

Trivia
When a tlincalli is used in heraldic designs, it represents readiness and betrayal.