Torture Pit from Berlin merge death metal, groove metal, and hardcore into a pit-ready assault of crushing riffs and aggressive breakdowns since 2015. Their sound is built for the mosh pit, channeling the capital's vast heavy music underground into concentrated physical aggression.

Torus from Magdeburg blend thrash metal with groove metal's rhythmic punch, creating a mathematically-named hybrid of velocity and weight from the Saxony-Anhalt capital since 2013. Their geometric name — a donut-shaped surface — reflects the looping, cyclical intensity of their compositions.

Totmann from Hesse blend melodic death metal, gothic metal, and groove metal with electronic elements, creating an unusually eclectic extreme metal hybrid formed in 2025. Their German name — meaning 'dead man' or referencing a safety switch — captures both the morbid and mechanical aspects of their multi-genre approach.

Toxic Pub from Athens deliver groove and thrash metal with the poisoned-watering-hole irreverence their bar-themed name demands since 2021. Their compositions pair venomous riffs with the communal energy of a metal-fueled night out.

Trallery is a thrash metal band from Palma, Mallorca, Spain, formed in 2013 and evolving toward progressive groove/thrash/death metal. Their musical evolution reflects an increasingly complex and ambitious approach to extreme metal.

Treibstoff is a groove/thrash metal band from Dortmund, Germany, formed in 2020. Their name meaning "fuel," they deliver high-octane groove and thrash metal.

Trepalium formed in Boismé, France in 2001, developing a death metal style inflected with groove, progressive structures, and jazz and blues elements that placed them within the eclectic wing of the French extreme metal scene. Their debut Through the Absurd (2004) was produced by Joe Duplantier of Gojira, establishing a connection to the broader French extreme metal network sometimes referred to as the Konosphere. Alchemik Clockwork of Disorder (2006) and XIII (2009) followed, each leaning further into the band's genre-blending approach. Trepalium remained active through 2024, over two decades of consistently unconventional extreme metal.

Trevider is a groove/thrash/death metal/crossover band from Cabana, Spain, active since 2008. They merge groove, thrash, and death metal with crossover energy from rural Galicia.

Triglöth from Annemasse near the Swiss border deliver stoner and groove metal with the three-headed, mythological menace their name suggests since 2023. Their Haute-Savoie base at the foot of the Alps provides mountain-weight backing for their fuzz-driven grooves.