The monk class was also added as this class is meant to be proficient with the staff in melee combat and gains better bonuses in defense from lighter Armor. There are two hidden character classes which are the axe- wielding Barbarian and the dual-wielding Bard.
There are many new enhancements which have been added in the Hellfire game which includes two new dungeons, more quests, extra game items, runes that can be placed as traps, shrines, more new mini-boss enemy names, affixed weapons and armour, spells and a boost to the strength and power that Diablo possesses.