Lizard Cult is a sludge/doom metal band from São Paulo, Brazil, formed in 2023. The band self-produced their debut release "Triptych", a three-track album issued in October 2023, recorded by Otávio Bonazzi at Dissenso Studio and mixed and mastered by Henrique Fonseca at Groove Estúdio. The release was noted in the Doom Charts for March 2023 and positions the band firmly within Brazil's growing heavy underground scene.

Llankazo is a black/death metal band from Santiago, Chile who released their first demo rehearsal in October 2018 before putting out their self-titled debut full-length in May 2021. Their sound blends black, death, and thrash metal influences within the underground extreme metal tradition of the Chilean capital.

Lo Oscuro is a stoner metal band from Buenos Aires, Argentina whose debut album Terror was released on September 1, 2022 through Kvlt und Kaos Productions. The eight-track record features entirely Spanish-language songs exploring heavy, aggressive themes drawn from personal experience.

Lobotomia is a pioneering crossover thrash and hardcore band from São Paulo, founded in 1984, who helped define the early Brazilian punk-metal underground. Their 1987 self-titled LP introduced a raw, metallic sound unlike anything else in Brazilian punk at the time, and "Só os Mortos Não Reclamam" became a regular fixture on São Paulo's Radio Rock 89 FM. The band reunited in the mid-2000s and continued releasing material, including the albums "Extinção" (2008) and "Desastre" (2016).

Lobregal was a black metal band from Posadas, Misiones, Argentina, originally formed in 2003 by vocalist and keyboardist Walter Núñez. The band released their sole full-length album Para vivir hay que matar in November 2015 on the Ukrainian label Depressive Illusions Records, a nine-track record with doom and gothic influences, supplemented by a live bonus track.

Logos was a Buenos Aires heavy metal band founded in 1990 by Alberto Zamarbide, Miguel Roldán, and Adrián Cenci — veterans of the pioneering Argentine act V8 — who released five studio albums including the debut La industria del poder (1993) and Generación mutante (1995), the latter produced by Rudy Sarzo of Ozzy Osbourne and Quiet Riot. The band reunited in 2004 after a six-year hiatus, releasing Plan mundial para la destrucción (2006) and A través de los tiempos (2009) before disbanding in 2013.

LoneHunter is an extreme death metal band from Franca, São Paulo state, Brazil, formed in 2018. The band released the five-track EP "Beyond the Portals of Death" in October 2018, blending symphonic and brutal death metal elements across a twenty-minute runtime. Their music is available on Bandcamp, Spotify, and SoundCloud.

Loneshore is a melodic progressive doom/death metal band from Rio de Janeiro, Brazil, known for weaving post-rock atmospherics and unconventional song structures into heavy, melancholic soundscapes. Their debut album "From Presence to Silence", written and recorded across multiple Rio studios between 2015 and 2017, was released in September 2018 through BadMoodMan Music to strong critical reception. The album is frequently compared to the work of Daylight Dies and Opeth, and was cited as one of the finest doom releases of 2018.

Lord Death Hypocrisy is a black metal band from Villavicencio, Colombia, formed in 2013. The band has released the singles "Fuego eterno" (2013) and "Apocalíptica" (2017) as an independent act.