Echoes of Madness is a progressive heavy metal band from São Paulo, Brazil, formed in 2020. The band released their debut full-length "Indepth Mind" in 2022, a nine-track album spanning progressive and melodic metal territory with tracks such as "Drowned in Madness," "Time," and "Scars from the Ashes."

Eclipsim was a raw black metal and ambient project from La Plata, Argentina, active from 2021 until disbanding in 2023. The project released multiple recordings including 'The Beast and the Weasel', 'Leaning to Death', and 'Twilight of My Soul', as well as the demo 'Kali Yuga' documented on Metal Archives in January 2022.

Ecliptic Sunset is a black/death metal band from Salta, Argentina, founded in 1998 by guitarist and vocalist Alejandro Medina, who wrote and arranged all music on their releases. The band released three studio albums: '...From These Dried Lands' (2003), 'Of Torment and Grief' (2005), and 'Sinister Temperance' (2015), before splitting up in 2022.

Ecos Póstumos is a one-man depressive black metal project from Arapongas, Paraná, Brazil, created by Renato Nascimento in 2017. The project released two EPs and a demo in its first year before issuing the debut full-length "Escombros" in 2018, with lyrics rooted in themes of depression, mental struggle, and suicide awareness tied to Brazil's Setembro Amarelo campaign.

Ecuador Cadáver is a death/thrash metal band from Machala, Ecuador, formed in 2004. Driven by themes of war, Ecuadorian violence, and anti-Judeo-Christian ideology, the band built their catalog with the full-lengths Dark Path of Blood and Fire (2009) and Unholy Triarchy of the Ancient Covenant (2012), alongside numerous demos and splits released through Wolfgang Records.

Eden Seed is a heavy/thrash metal band from São Paulo, Brazil, founded in 2016 by guitarist Gisele Marie Rocha, who gained international attention as one of the first Muslim women to front a recorded heavy/thrash metal act. The band released their debut full-length "Age of Creation" in April 2018, a record blending classic heavy metal with thrash and progressive elements.

Edu Falaschi is the solo project of Eduardo Falaschi, the Brazilian vocalist best known as the frontman of Angra from 2001 to 2012 and founder of progressive metal band Almah. Launched as a solo outlet in 2016 with cover releases, the project produced its first album of original material with the concept record "Vera Cruz" in 2021, a progressive power metal work drawing on Brazilian folk influences and featuring guest appearances from Max Cavalera and forró legend Elba Ramalho.

EerieLowMoon is a sludge/doom trio from San Nicolás de los Arroyos, Argentina, comprising Ivo Hayduk on guitars and vocals, Franco Fruci on bass and vocals, and Bruno Fruci on drums. Their debut album 'Low Moon' (December 2013) was produced by Sergio Chotsourian of Los Natas, and was followed by 'Midnight Despair' in January 2020.

Ego Absence is a power metal duo from São Paulo, Brazil, formed around 2014–2015 by vocalist Raphael Dantas and guitarist Guto Gabrelon. The band released their debut full-length "Serpent's Tongue" in May 2020, a 12-track record that blends classic power and heavy metal influences with South American rhythmic sensibilities.