Stick Snatcher (5e Creature)
From D&D Wiki
Large aberration, unaligned
Solemn Confidence. The stick snatcher has advantage on an attack roll against a creature if there are no other creatures within 5 ft. of the stick snatcher or the creature.
Born from the same source as trolls, stick snatcher are born from ego. They parade their frilled form in the open, attempting to cover as much of their surroundings as possible with their spindly legs. They are tempermental creatures, lashing out at creatures that invade their "territory", which often includes areas they have just recently encountered.