[3] The album's lyrics are informed by the social upheavals experienced in the United States since 2020,[3] including the debate over the history of the band's hometown of Richmond, Virginia in the song "Nevermore",[1] plus awareness of international environmental issues informed by singer Randy Blythe's recent advocacy work with indigenous communities in the United States and Ecuador.

[4] Most of the album was recorded live in the same room, as a departure from the online sharing of tracks that many bands had to adopt during the pandemic.

concluded that "Omens finds the Virginia metal bruisers returning sounding as reliably heavy, violent, and pissed-off as ever.

"[7] According to Spin magazine, the album grabs "listeners by their prefrontal cortexes, shaking the metal faithful around to what the hell is going on as they blissfully mosh through the ruins of modern living.

"[4] Metal Injection noted that the album mixes in some elements of other genres that have rarely appeared in Lamb of God releases before, including hardcore punk, and described "a genuine thread of palpable lament woven through every track".