End of All Known is a post-metal band from the United Kingdom. Formed in 2018, the band consists of vocalist and guitarist Sam Smith, bassist and vocalist Tom Spencer, and drummer and vocalist Tom Peters. Their music is characterized by its heavy, atmospheric sound, with elements of doom metal, sludge metal, and post-rock. End of All Known has released two EPs, "Arsonist" (2019) and "Sensation of Lightness" (2021), and a full-length album, "Crystal Shards" (2022). The band has toured extensively throughout the UK and Europe, and has shared the stage with bands such as Amenra, Cult of Luna, and Godflesh.