the hardest known natural mineral, a crystalline form of carbon used as a gemstone and in industrial applications

the four Buddhist guardian deities who protect the four cardinal directions; figuratively refers to four powerful or influential people in a group

a hard substance such as carborundum or emery used for grinding, polishing, or cleaning

(idiom) to have a face as terrifying as a temple's guardian deity

A ritual object in Buddhism symbolizing a thunderbolt or diamond scepter.

Wolverine, comic book superhero

Transformers (franchise)

Kumgangsan Tourist Region in east North Korea

Bodhimanda (place of enlightenment associated with a Bodhisattva)

Vajrapani Bodhisattva