Internal Suffering is a reputed extreme metal band known for their uncompromisingly brutal and technical approach to death metal. Originating from Pereira, Colombia in the mid-1990s, the band was initially formed by Andrés Garcia (vocals), Jorge Luis Londoño (guitar), Fabio Marin (guitar), and Leandro Quiza (drums). The band's lyrical themes often delve into mysticism, ancient civilizations, and supernatural concepts, elements that are well-reflected in their dark and complex compositions. Their music is characterized by rapid tempos, intricate guitar work, and guttural vocals, aligning them with the subgenre typically referred to as brutal death metal.

Over the years, Internal Suffering has endured several line-up changes and relocations, which included a move to New York City and later on to Spain, each shift contributing to the evolution of their sound and global presence. The band's discography showcases a progression in technical proficiency and songwriting complexity, with notable albums such as "Supreme Knowledge Domain" (2000), "Chaotic Matrix" (2002), and "Choronzonic Force Domination" (2004) cementing their standing in the underground metal scene. Their more recent works, including "Cyclonic Void of Power" (2016), continue to push the boundaries of brutality, with "Rituals" and "Rites of Immortality" representing some of their latest and most ferocious offerings. Internal Suffering remains a significant force within extreme metal, with their relentless output contributing to their cult status among fans of the genre.