Yahweh punishing his people in his extreme wrath is spoken of as if Yahweh were a lion who leaves his den in search of prey. (See: [[rc://en/ta/man/translate/figs-metaphor]])
The word "horror" may be translated with a verbal phrase. Alternate translation: "their land will become something that horrifies people" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])