[7] Described by group member Heeseung as having an "unconventional" sound, the album has a vampire theme, in line with their webtoon series, Dark Moon: The Blood Altar.

[4][8] Referencing the series, group member Jake commented that "with many connections between the webtoon and our album, paying attention to these aspects will definitely make the listening experience more fun".

"[1] Paste ranked it number 13 in their list of The 20 Best K-pop Albums of 2023, calling it a "hypnotic, story-driven effort that sinks its teeth in with exactly the kind of addictive refrain that the group's become best known for".

"[10] On South Korea's Hanteo Chart, Dark Blood sold more than 1.1 million copies on its first day alone, surpassing the sales of their previous EP.

[13] According to the International Federation of the Phonographic Industry (IFPI)'s Global Music Report for 2023, Dark Blood was the sixteenth best-selling album worldwide, having sold 1.7 million units.