I Proélefsi is a Chilean one-person black metal project by a musician credited as M., who handles all instruments, orchestral arrangements, programming, artwork, recording, mixing, and mastering. The project blends instrumental atmospheric and avant-garde black metal with dark ambient influences drawn from bands such as Emperor, Setherial, Abigor, and Limbonic Art, and released its self-titled debut EP on July 4, 2025 — a five-track conceptual work tracing a journey from emptiness through strength and contemplation toward liberation.

Icon of Sin is a heavy metal band from Curitiba, Brazil, built around vocalist Raphael Mendes, who rose to prominence through viral YouTube covers in which he mimicked the voice of Iron Maiden's Bruce Dickinson. The band recorded their self-titled debut album in Curitiba and released it in 2021 through Italian label Frontiers Music Srl, followed by the second album "Legends" in 2023. Their sound draws heavily on classic 1980s heavy metal, with Iron Maiden and Dio-era Black Sabbath cited as primary influences.

Iconoclastarum XXI is a black metal band from Joinville, Santa Catarina, Brazil, formed in 2021 as a continuation of the project previously known as Jegfalt, which had been active since 2018. The band released "Demo XXI" on April 7, 2021, a nine-track recording made at Daswolf Studios between October 2018 and February 2019. Their lyrical themes draw on literature and philosophy.

Ignacio Remis is a power metal singer and keyboardist from Azul, Buenos Aires province, who has released a prolific stream of solo material including the album Hacia la Libertad (2016) and Los Invasores (2022), both available on Bandcamp. He also co-founded the progressive power metal project Ancaria in 2012 alongside guitarist Guillermo Olondriz.

Igni Dare is a black metal band from San Cristóbal, Táchira, Venezuela, formed in 2003 and drawing on themes of darkness, Luciferianism, and paganism. The band issued a full-length debut, "Preludio," in 2012, followed by the EP "Presage" in 2015 and a split release in 2017. Their Bandcamp describes the project as rooted in the "union of fellowship and brotherhood," with lyrics inspired by nature and occultism.

Ignicion is a groove metal band from Valparaíso, Chile, whose sound combines heavy riffing with driving rhythmic propulsion. The band debuted with an EP in 2020 and released three singles in 2023, building a regional profile that included an opening slot for Brujería in Valparaíso alongside appearances alongside Chilean acts such as Nuclear and Siniestro.

Ignicion is a groove metal band from Valparaíso, Chile, whose sound combines heavy riffing with driving rhythmic propulsion. The band debuted with an EP in 2020 and released three singles in 2023, building a regional profile that included an opening slot for Brujería in Valparaíso alongside appearances alongside Chilean acts such as Nuclear and Siniestro.

Ignis is a heavy metal band from Buenos Aires formed around 2012–2013, built around vocalist Rudy Losada, guitarists Juan Mori and Flavio Lema, bassist Litto Salerno, and drummer Fernando Palamara. The band released their second album Inframundo in 2024, rooted in traditional and melodic heavy metal in the classic European style.

Ignis Gehennalis is an instrumental atmospheric black metal project from Buenos Aires that was founded in 2023 and has been prolific since its inception, releasing the EP Ecclesia Daemonica in August 2023 and 7th Circle in December 2023. The project continued with the EP INFERNO in June 2024, building a Dante-themed body of work entirely through self-released Bandcamp recordings.