Look at older DnD editions and see if the monster or any similar monsters have extra abilities you can add
This. The Tarrasque had so many anti-cheese abilities in older editions. Now its best anti-cheese is running away, and even then there’s ways to keep up.
This. The Tarrasque had so many anti-cheese abilities in older editions. Now its best anti-cheese is running away, and even then there’s ways to keep up.