Ambusher. In the first round of a combat, the qarsi archer has advantage on attack rolls against any creature that hasn't taken a turn yet.   Keen Senses. The qarsi archer has advantage on Wisdom (Perception) checks.   Mask of the Wild. The qarsi archer can attempt to hide even when they are only lightly obscured by foliage, heavy rain, falling snow, mist, and other natural phenomena.   Shed Skin (1/Day). The qarsi archer can shed its skin as a bonus action to free itself from a grapple, shackles, or other restraints.