Insorcist is a death/black metal band from Santiago, Chile, originally formed in 2002 under the name Azael before adopting the current name and recording the three-track demo Donfallen Kingdom in 2003. The band released the EP Eternal Torment in 2006 and their debut full-length The Slaughter of Divine Creed in 2011 through Apocalyptic Productions, a nine-track concept album recorded at Sade Studios with lyrics exploring anti-Christian and occult themes.

Instep is a thrash/death metal band from Vila Velha, Espírito Santo, Brazil, formed in 2021. The band released their self-titled "Demo 2021" on Bandcamp in June of that year, a four-track recording featuring tracks such as "Total Destruction of the Nation" and "One Bit."

Insultor was a black/death metal band from General Roca, Río Negro, Argentina, active from 2008 until their split-up. They released the "Demonic Session" live session demo in November 2014 on cassette through Nebulous Black Tyrant in a run of 66 copies, followed by their full-length album "Demonic Curses" in March 2019 via Blackwinds Productions. Their thematic material centred on blasphemy, war, and satanic imagery in the South American underground tradition.

Intense Desire to Kill is a death metal band from Santa Luzia, Minas Gerais, Brazil, formed in 2015. The band's lineup includes Wesley Adrian on drums, Roger Lúcio on guitars, Warley Alves on bass, and André Luiz on vocals; they released the seven-track demo-EP "Next Victim... Just a Matter of Minutes..." on September 11, 2015.

Interium is a death/groove metal band from Rio de Janeiro, Brazil, formed in 2002. The band released their debut album "Igreja do Diabo" in October 2002, followed by "Quando a Morte Chama" in September 2004, with a lineup featuring Leandro Thompson on vocals, Bruno Mainardi on guitars, and Lino on bass. They remain active as an independent act rooted in the Rio de Janeiro underground metal scene.

Internal Decay was a thrash/death metal band from Maringá, Paraná, Brazil, formed in 1994 and now split-up. The band released a four-track demo in 1996, representing the band's sole known recorded output from their active years in the mid-1990s Brazilian underground metal scene.

Into the Cave is a black/death metal band from Rio de Janeiro, Brazil, formed in 2015. The band has released four full-length albums: "Sex and Lust" (2015), "True Horror Tales" (2016), "Insulters of Jesus Christ" (2018), and "The Ritual of the Blind Dead" (2020), with lyrical themes drawing from horror literature, Satanism, and Lovecraftian mythology. They operate independently and have distributed their recordings through Bandcamp.

Into the Fucking Grave is a death metal band formed in 2017 in eastern Antioquia, Colombia, drawing influence from old school death metal and grindcore acts such as Morbid Angel, Autopsy, Terrorizer, and Benediction. The band has released three full-length albums: Absorbed by Faith (2019), Episodio humano (2021), and Fatuidad corpórea (2025), with the second album also appearing on the Colombian Death Metal Compilation Vol. II.

Intravenosa Izquémica is a death metal band from Iquitos, Peru, representing one of the more extreme acts to emerge from the Amazonian city. The band released their debut demo "Agonía" in 2025, a four-track offering that establishes their brutal approach to the genre.