Analysis of information sources in references of the Wikipedia article "Along with the Gods" in English language version.
In the Buddhist world, the Ten Kings of Hell serve as judges of the deceased to determine their fate, including the type and severity of punishment and the course of their cycle of rebirth
This is a Buddhist painting depicting the seventh of the ten kings of hell. On the 49th day after death, the soul of the deceased comes before the seventh king and may be reborn, depending on his or her actions in this world. This painting portrays the dead being squeezed into a punishment device designed to inflict great pain.
The big-budget blockbuster is based on Joo Ho Min's hugely popular same-titled three-episode web comic, which is inspired by the Joseon dynasty Buddhist painting Ten Kings of Hell