Shadow mob

This new mob would either spawn in abandoned mineshafts, strongholds, or below a certain Y level.

It would be completely black and would have 40 health and 10 damage. When it spawns, it would be able to, and would have a higher chance to spawn with armor and weapons, including; sword, axe, bow, crossbow, or rarely, a trident.

They would have a much higher chance to drop their equipment, but otherwise would only drop a much higher amount of exp.