However, hirelings did not follow the player outside the acts they were hired in. Hell difficulty - this is where players repeat will their D2R items farm activities from the previous two difficulty levels as well as add a few new ones. With his holy magic and powerful auras, the Paladin is an incredibly powerful character both solo and in a party. This is especially useful when farming for the Secret Cow Level. A loading screen in Diablo 3 jokes that there is no Cow Level in the game, despite the fact that there is one.