Roseburg, Oregon's Execution at Hand emerged in 2017 blending the mechanized brutality of deathcore with death metal's more traditional extremity. Coming from a small southern Oregon city far from the Portland scene, they bring an isolated, unpretentious heaviness to a genre that tends toward urban concentration, and the contrast suits them.

Tiffin, Ohio's Extinction Agenda arrived in 2023 fusing brutal death metal and deathcore into something maximally heavy and deliberately relentless. The small-city Ohio origin underscores an underground work ethic — this is music built from the ground up with no expectation of easy attention.

Los Angeles deathcore outfit Eye of Ascendancy have been pushing the genre's extremity since 2017, blending death metal technicality with the breakdown-driven framework of deathcore. The LA underground gives them room to operate at the genre's more uncompromising end, favoring density and precision over accessibility.