mischief

mastery
UK /ˈmɪs.tʃiːf/ US /ˈmɪs.tʃɪf/nounverb

card 1 of 10 · context meaning

What does 'mischief' mean in this sentence?

Kirac, the leader of the rats under his charge, speaks to the major through his telepathic abilities that manifested after the alien virus infected him and his mischief of rats.