Los Densos are a Buenos Aires heavy metal and hard rock band formed in 2022 who draw on New Wave of British Heavy Metal alongside Lovecraftian occult themes. Their debut release Habitantes de la Oscuridad, a seven-track album, came out on December 15, 2022. The band consists of Ramón 'Serpiente' Gómez on vocals, Nicolás Rivera on guitar, Julián Sirota on bass, and Nacho Roldán on drums.

Los Kuro are a Buenos Aires stoner metal trio whose sound incorporates heavy psych, post-doom, and sludge. Their debut Demo appeared in July 2013, followed by Volumen I (April 2014) — a conceptual record built around longer progressive jams — and subsequent releases including 1 ½ (2015), Silencio (2017), and IV (2018). The Volumen I lineup featured Manuel Ferreira on guitar, Mauro Cristy on bass, and Andrés Salaverri on drums.

Los Males del Mundo is a black metal project from Buenos Aires founded by Cristian Yans and Dany Tee (also of Acathexis and Downfall of Nur), with Nikita Kamprad of Der Weg Einer Freiheit contributing as producer and guest bassist. They debuted with the EP L.M.D.M. in October 2020, then released the debut full-length Descent Towards Death on February 26, 2021 through Northern Silence Productions — a five-track, forty-minute album drawing lyrically on Nietzsche, Cioran, and Schopenhauer. The album received coverage from Invisible Oranges and other metal press as a notable debut in atmospheric black metal.

Los Suffers is a doom/sludge/death metal trio from São José dos Campos, Brazil, consisting of Luiz Dias (vocals/guitar), Jean Carreira (bass), and Brendan Kitchen (drums). The band released their debut full-length "Quando A Chama Se Apaga" in March 2022, a six-track album spanning over fifty minutes of heavyweight doom recorded at AS Studio in São José dos Campos. The record drew praise from the international doom and stoner metal press, with Doomed and Stoned highlighting it as a standout entry in Brazil's underground heavy scene.

Los Yithians are a doom and stoner metal trio from San Martín, Argentina, whose name references the Great Race of Yith from H.P. Lovecraft's fiction. Their debut album Pnakotus — seven tracks recorded live in October 2016 and mixed and mastered at 7 Cuchillos Records by Marcos Verón — was released in May 2017. The band's lineup on that record consisted of Edgar Sosa on guitar and vocals, Gastón Olaguibet on bass, and Alberto Adrián on drums.

Los Últimos Días are a Buenos Aires metal band formed in 2017, releasing a self-titled four-track debut that same year, recorded and mixed by Esteban Andrés Miranda at LST Studio in the Flores neighborhood of Buenos Aires. The trio features Juan Manuel Pasam on guitars and synthesizers, Rocío Rodríguez on bass, and Pablo Nuñez Galardo on drums. The band blends death metal, thrash, and punk influences in a raw underground style.

Losing Hope is a depressive black metal project from São Paulo, Brazil, active since 2020. The band released the album "The Town Without Me", which includes the track "Erased" (released May 2021), continuing the Brazilian DSBM tradition with bleak, introspective compositions. Their music is self-released digitally via Bandcamp.

Lost Forever is a progressive/power metal band from Rio de Janeiro, Brazil, known for a vigorous and technically demanding approach that avoids genre clichés. The band released their debut full-length album "The End of Beginning" through Hellion Records in December 2003, establishing their presence in the Brazilian progressive metal scene. They have continued as an independent act, releasing music under the Artax banner.

Lost in Hell is a death/black metal band from Cruz das Almas, Bahia, Brazil. The band released their debut album The Left Side of Genesis, which includes the track "Diabólica" and channels extreme metal in the vein of North American and Brazilian death and black metal traditions. Their lyrics engage with anticlerical and societal critique through a brutal sonic lens.