As Blood Runs Black is an American deathcore band from Los Angeles, California formed in 2003. They are signed to Mediaskare Records on which they released their highly-acclaimed debut album, Allegiance on June 6, 2006. Their album along with extensive touring in the United States brought considerable success making the band a well-known act. During 2007's The Summer Slaughter Tour, drummer Lech was kicked out the band due to personal differences with the other members. He was replaced with Ryan Thomas from the band The Serpent Son.