The Infernal Deceit is a black/death metal band from North Rhine-Westphalia, Germany, formed in 2021. They combine the darkness of black metal with death metal's crushing brutality.

The Inmost Blight is an atmospheric black metal band from Newcastle upon Tyne, active since 2015. Their music channels the bleak, windswept atmosphere of northeast England through layered tremolo guitar, blast beats, and ethereal ambience.

The Inner Abyss is a black metal band from Leipzig, Germany, formed in 2011. They channel atmospheric black metal from the vibrant Leipzig underground.

The Institution is a metalcore band from Liverpool, active since 2013. Their music delivers the aggressive breakdowns, heavy riffing, and dynamic intensity of metalcore from the cultural heart of Merseyside.

The Intravenous from the Atlantic port of Saint-Nazaire deliver doom and death metal that flows directly into the bloodstream with their medically-named compositions since 2009. Over fifteen years of output from the Loire estuary, they have maintained a direct, unfiltered approach to crushing heaviness.

The Ivory Hawks from Málaga deliver melodic heavy metal and hard rock with the sun-bleached swagger of the Costa del Sol since 2018. Their soaring name captures the predatory grace they bring to hook-driven compositions from Andalusia.

The Ivory Tower is a heavy metal band from Athens, formed in 2020. Their music delivers classic heavy metal with the grandeur and ambition their fortress-like name suggests.

The Jack from Santa Perpètua de Mogoda near Barcelona play heavy metal with the workmanlike dependability of a lifting device — or the wild unpredictability of a playing card — since 2018. Their Catalan industrial-town origins ground their classic metal approach.

The Joker is a NWOBHM-influenced heavy metal band from London, formed in 2014. Their music pays homage to the New Wave of British Heavy Metal with classic riffs, soaring vocals, and the raw energy that defined the movement.