Warfare Noise Project is a Brazilian thrash/death metal act from Paraná formed in 2021 by members going by the handles M. Prophanator and J.S. Dissector, conceived as a tribute to the underground extreme metal of the 1980s. The project released two albums in quick succession: 80's Paraná Metal Years (2021), celebrating the classic heavy metal of their home state, and A Brazilian Extreme Metal Tribute (2022), paying homage to the pioneering extreme metal bands of Brazil.

Warfield Death is a death metal band from Aracaju, Sergipe, Brazil, that released their debut album Death in 2009, a nine-track record distributed in a limited run of 1,000 hand-numbered copies on Sade Records. The band was initially built around founding member Polo Flores (known as Hellfire), who handled music, concept, and artwork, with drummer Infernal joining to complete the recording lineup.

Warfire is a heavy/thrash metal band from Tatuí, São Paulo, Brazil, drawing from classic 1980s metal and the Brazilian heavy metal tradition. The band released the EP It's Time to War and the album Heralds of Eternal Order (2017), the latter issued as a limited CD through Breath of Pestilence.

Warforged is a one-man black metal project from Arapongas, Paraná, Brazil, led by sole member Daeroth Inglorion, who handles all instruments and vocals. The project released the full-length album The Black Age of Light's Fall and has continued operating as an independent underground act rooted in occult black metal aesthetics.

Wargore is an old-school death/thrash metal band from Cascavel, Paraná, Brazil, formed in 2017 and playing in the tradition of early extreme metal. The band has released two albums — Between Evil and Death (2017) and Cursed Existence (2020) — both independently produced and distributed through their Bandcamp page.

Wargrave is a heavy/thrash metal band from Bahia, Brazil, formed in 2016 with lyrical themes centred on war and armageddon. The band has self-released several recordings including Suffering the Void (2015), Zone 51 (2016), and Flames of War (2017), operating as an independent act on their Bandcamp page.

Warlord is a heavy metal band from Aracaju, Sergipe, Brazil, with roots stretching back to 1991, making them one of the older acts in Sergipe's underground metal scene. The band was active through the early 2000s, reformed around 2015, and has appeared on compilations including The Iguana's Attäck Vol. 3 (2020) with the tracks "Evil's Child" and "The Soldier of Flies".

Warmachine is a thrash metal band from Carlos Barbosa, Rio Grande do Sul, rooted in the aggressive, mid-1980s Brazilian thrash tradition with lyrical themes centering on war, politics, and contemporary reality. The project shares members with other Rio Grande do Sul extreme metal acts, including connections to the black metal band Patria through the vocalist known as Triumphsword. The band released a self-titled demo that drew comparisons to classic thrash acts and established their uncompromising old-school approach.

Warmask is a thrash and groove metal power trio from Caxias do Sul, Rio Grande do Sul, formed by guitarist and vocalist Paulo Henrique, bassist Eduardo Ramos, and drummer Jonathan Reinheimer. The band released the EP "Better You Start to Run" in 2015, a four-track effort that showcased their mix of aggressive thrash rhythms and groove-driven riffing. They operate as an independent act out of Brazil's southern metal scene.