Trap☆Star (罠☆星, Wana☆Hoshi) is a technique used by Black☆Star and Tsubaki in her Chain Scythe Weapon form. Tsubaki's Chain Scythe form coils around Black☆Star before extending outwards, forming the shape of a five-point star slightly above the ground so that anything that enters the area will by instantly sensed by Black☆Star and bound in the chains before they can escape. His ability to sense an opponent even extends to the area underground, by using the vibrations travelling on Tsubaki's Weapon form to sense his opponent's Soul Wavelength (as he cannot use Soul Perception). It also appears that the technique is indiscriminate once activated, capturing anyone who is present in the area other than Black☆Star, as seen when the technique is first used to capture Sid buried underground but al