Eaglenest was a black metal band from Buenos Aires, Argentina, active from 2012 to 2014. During their brief existence they released the EP "Supremacy" (2013) through Argenreich Records, the Argentine label dedicated to underground metal releases. The band split up in 2014 leaving "Supremacy" as their sole recorded output.

Ebheron is a one-man symphonic black metal project from Santa Catarina, Brazil, active since 2020. The project blends black metal aggression with orchestral arrangements, drawing on themes of Lovecraftian horror and fantasy. Releases include the single "God of Blood" (2021) and "The Immolation" (2022), the latter featuring string arrangements co-written with Mayki Fabiani.

Ecclesia is a heavy/doom-influenced power metal band from Recife, Pernambuco, Brazil, active since 2017. The band released the EP "Witchfinding Metal of Doom" in 2017 and the full-length debut "De Ecclesiæ Universalis" in 2020, followed by "Ecclesia Militans" in 2024. Their sound draws on the classic doom and heavy metal traditions of Candlemass and Black Sabbath while incorporating epic, medieval lyrical themes centered on the Inquisition.

Echoes of Death is a death metal band from Caucaia, Ceará, Brazil, formed in 2018. The band released the seven-track album "...In the Cemetery" in November 2018 through Resistência Underground Distro as a limited edition CD, channeling the old-school Swedish death metal sound of the early 1990s. The lineup features Jardel Stick on vocals and guitars, Camilo on guitars, Fernando JFL on bass, and Ítalo Rodrigo on drums.

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.