The phrase "hunt monsters" means to actively search for and fight against dangerous or evil creatures.
Sentences with «hunt monsters»
You're largely free to hunt monsters in whatever order you like, though success in one set of missions will open up the next rank. (theverge.com)
They're similar in the theme of hunting monsters across maps, using different elements and such, but that's where I'd say the similarities end. (thesixthaxis.com)
It is really, truly, exclusively about hunting monsters. (theverge.com)