The villains kidnap women, pin them to a medical table and extract their blood through tubes.
Hanuman and the Five Riders was intended to be a 'children's film' but comes across as an adult film at times (extreme violence and graphic nudity). This may be due to the cultural attitudes of its native Thailand. As such, the tonal shifts can be jarring and shocking at times.
There are disturbing illustrations of the torture methods used in hell, including a gory drawing of a man laid out on a rock as his guts are removed from his body with a large saw.