As Blood Runs Black was an American deathcore band from Los Angeles, California. They have released three albums. Their first album, Allegiance, was released on June 6, 2006. Their second album, Instinct, was released on March 15, 2011. Instinct reached number 1 on the Billboard Heatseakers Albums chart and number 111 on the Billboard 200 for the week of April 2, 2011. On June 30, 2013, As Blood Runs Black announced that they would be self-releasing their newest album, Ground Zero, with the help of crowdfunding via IndieGoGo; this was successful and the album was released on October 27, 2014. It's also said that former guitarist Ernie Flores had returned to the band as he has been doing "guitar playthroughs" of songs from their first album Allegiance on February and March 2021.
The band has gone through several lineup changes throughout its history, with drummer Hector "Lech" de Santiago being the only original member left, though bassist Nick Stewart has appeared on every studio album to date.