Lethargy of Death is a solo funeral doom project from Santiago, Chile, created and operated entirely by the musician Emiaj, who began composing under this name in 2000. The project's debut full-length, Necrology, was released in August 2010 through the Russian label Endless Winter, featuring seven tracks across 57 minutes built around orchestrated keyboards and atmospheric guitars in the vein of Skepticism and Shape of Despair. Prior releases include two EPs, Tribulations (2005) and Robe of Death (2006).

Leticia Soma is a progressive/groove metal quartet from Morón, Buenos Aires, Argentina, playing a style that blends progressive metal with sludge and southern metal influences. The band has released several albums including "Nido de Serpientes" (2018) and "Profanadores" (2020), the latter recorded and mixed at El Attic studio by Patricio Claypole and released on Lucifer Discos. By 2020 the band had performed over 250 shows across Argentina, Latin America, and Europe.

Letters From is a stoner/sludge metal band from Rio de Janeiro, Brazil, drawing on influences including Kyuss, Neurosis, Mastodon, and Tool. The band released their debut EP "Witch" in late 2013, establishing their heavy, riff-driven sound within the Brazilian underground heavy music scene.

Leuku are a progressive and atmospheric metal band from Santiago, Chile, co-founded around 2006 by guitarists Bauda and Parton, the latter also known for his work in the separate band Bauda. The group blends progressive and psychedelic rock structures with folk-influenced acoustic elements, and released the split EP Mares with Bauda in 2007, followed by the full-length Blindfolded in 2011 on Pest Productions with a lineup that included five members.

Levas is a heavy metal band from Buenos Aires, Argentina, listed on Encyclopaedia Metallum and signed to Del Imaginario Discos. The band released the album "Una vuelta más de rosca" in 2011 and also contributed a track to a Hermética tribute compilation ("Del camionero," Dejesú Records, 2002). Their music sits within the traditional Argentine heavy metal scene.

Leviaethan is one of the most storied thrash metal acts out of Porto Alegre, Rio Grande do Sul, with roots stretching back to 1983. The band released their debut album "Smile!" in 1989–1990 through Rock Brigade Records, followed by "Disturbed Mind" in 1992, and have remained active for over four decades as a cornerstone of Brazilian thrash metal.

Libidinous Suspirus is a brutal death metal and grindcore band from Belém, Pará, Brazil, founded by Brendo Marcos. The band released their EP "Church of Orgiastic Depravity" in October 2016, recorded across two studios in Belém, and have been an active presence in the extreme underground of northern Brazil since 2013.

Libranos del Mal is a grindcore and powerviolence band from Medellín, Colombia, formed in 2019 and signed to The Hills Are Dead Records. The band released several EPs including "Toda carne mortal debe arder" (2020), "El milagro del mayor dolor" (2023), and "Mortinato" (2025), culminating in their debut full-length "Las columnas del cielo tienen base en el abismo" in 2026.

Lied des Waldes — German for "Song of the Forest" — is an atmospheric black metal project from Blumenau, Santa Catarina, Brazil. Their 2017 album "Withering Shades of Pale" is a seven-track release blending raw black metal with post-black metal elements and acoustic interludes, drawing on nature-themed lyrical imagery rooted in the German cultural heritage of the region.