Thallium is a melodic death metal band from Oldenburg, Germany, formed in 2015. They play melodic death metal with Scandinavian-influenced guitar harmonies.

Thamand is a melodic death/black metal band from Szeged, Hungary, formed in 2019. They weave together melodic death metal harmonies with black metal intensity and atmospheric depth.

Thanator from Lyon deliver death metal named after a deadly creature from James Cameron's Avatar universe since 2013. Over a decade of predatory compositions from France's second city, they have channeled fictional ferocity into real-world brutality.

Thanatos is a death/black metal band from Steyr, Upper Austria, playing at the aggressive intersection of those two extreme metal genres. The band operates independently and maintains a presence through their Bandcamp page at thanatos-projekt.bandcamp.com.

Thasaidon from France deliver death and doom metal named after Clark Ashton Smith's fictional dark god since 2021. Their weird fiction reference drives compositions of archaic, cosmic doom steeped in pulp-era horror literature.

The 11th Hour is a Dutch doom/death metal project founded in 2008 by Ed Warby, veteran drummer of Gorefest and Ayreon, who performs all instruments and clean vocals on the recordings. The debut album Burden of Grief (2009) featured guest harsh vocals from Rogga Johansson, and their second album Lacrima Mortis (2012) featured an expanded full-band lineup including former Gorefest guitarist Frank Harthoorn. The project is currently inactive, but its two albums stand as accomplished entries in the melodic death-doom tradition.

The Abyss of Desolation is a brutal death metal band from Debrecen, Hungary, formed in 2017. They unleash punishing, guttural extremity with blast beats and crushing heaviness.

The Abyss Order from Annecy in the French Alps deliver black and death metal under a name suggesting an organized descent into the void since 2016. A decade of abyssal compositions from the shores of Lake Annecy has channeled Alpine beauty into extreme darkness.

The Ancient Dark is a melodic death metal band from Dublin, Ireland, formed in 2022. They combine death metal aggression with melodic guitar harmonies and atmospheric depth.