Viluy
Summary
Viluy, known as Byruit in the English dub, serves as the fourth member of the Witches 5, with her name derived from the mineral viluite. In the anime adaptation, she assumes responsibility for collecting pure hearts following the death of Tellu. To accomplish this objective, she hacks the Infinity Academy's computer systems to extract pure heart crystals from students during a national practice exam. Her arsenal includes the Mosaic Buster attack, referred to as Mosaic Energy Blaster in the dub, which deploys a swarm of nano-robots from her wristband. Initially successful, she nearly overcomes Sailor Uranus, Sailor Neptune, and Sailor Mercury, the latter being a personal rival. However, her defeat comes when Sailor Moon damages her wristband, causing the nanomachines to malfunction and dissolve Viluy herself, leaving only her bracelet behind. In the manga, Viluy appears earlier as the third witch, before Tellu, and holds the rank of Level 202. Operating under the alias Yui Bidoh, she leads the Science Division at Infinity Academy. Her fate mirrors the anime's plot, except she is ultimately killed when Sailor Uranus slices her in half with her Space Sword.
