This article is about a/an monster form used by several identities in Kamen Rider Build.

CD Lost Smash (CDロストスマッシュ Shī Dī Rosuto Sumasshu) is a Smash with several different identities:

Known Identities

Powers and Abilities

CD Lost Smash
KRBu-CD Lost Smash

CD Lost Smash

  • Height: 199.6 cm
  • Weight: 96.0 kg


  • The CD Lost Smash is armed with multiple disk-like protrusions, which can rotate up to 120 000 rpm, scraping enemy armor.
  • Additionally, the CD Lost Smash can generate CD projectiles, called Glare Slicers (グレアスライサー Gurea Suraisā) to attack enemies.
  • The CD Lost Smash is extremely agile, specializing in good rhythmic avoidance patterns and close combat manoeuvres.



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