Xero is a NWOBHM-influenced heavy metal band from London, England, originally formed in the early 2000s. They carry the spirit of the New Wave of British Heavy Metal forward with raw, guitar-driven compositions that honor the genre's classic sound.

Xerod is a technical death metal band from Montpellier, France, formed in 2015. Their album "Infinite Cycle" delivers old-school vibes with a modern feel, combining conceptual themes about planetary transformation and humanity's relationship with nature alongside technically demanding compositions influenced by acts like Necrophagist and Obscura.

Xerxes is a progressive metal band from Barschwil, Switzerland, formed in 2015. They craft intricate and technically demanding compositions within the progressive metal framework, drawing from the rich tradition of European progressive music.

Xes is a heavy metal band from Genk, Belgium, formed in 2019. They carry the torch of classic heavy metal with straightforward riffs and traditional song structures rooted in the Belgian metal underground.

xHeartfeltx is a five-piece straight edge metalcore band from Alken, Belgium, playing 90s-influenced metalcore since 2013. Their 2017 album "Strange New World" was released through Mark My Words Records and tackles themes of manipulation, societal hypocrisy, and personal integrity across five hard-hitting tracks.

Xhief is a French black metal and ambient project, active since 2021 and shrouded in deliberate obscurity. Their releases "Nach dem Tod" and "Grief" channel introspective darkness through raw black metal paired with atmospheric ambient passages.

Xhzenat is a brutal technical death metal project from Herzele, Belgium, originally formed in 2024. The project draws from the Belgian extreme metal underground, delivering intricate and punishing compositions that push the boundaries of technicality within the death metal framework.

Xianosys is a progressive power metal band from Paris, France, formed in 2017. They fuse the melodic grandeur of power metal with the structural complexity of progressive metal, reflecting the depth of the French progressive metal scene.

XIII Doors is a melodic groove/heavy metal band from Shannon, Ireland, formed in 2023. They describe themselves as a hard rock/metal band from Ireland, releasing tracks like "Into The Unknown" and "Unleash The Beast" that blend heavy riffs with accessible, hard-hitting melodies.