Huge Rocks are named locations which appear in most biomes. They follow the naming convention "Rock of <NAME>".
Huge Rocks are larger versions of the randomly generated mesas.
Extra levels of climbing skill make reaching the top much easier, but careful players can usually find a viable (if often winding) path to the top without climbing levels.
At their summit, they generate a world overworld boss relevant to the local biome
Typically contain a single racial mobs along with smaller groups of related creatures.