An additional character class for World of Dungeons:
BARBARIANS get Perseverance. Chose two special abilities: Berserk (+2 melee damage, +2 armor, needs to make a CON check to stop fighting once activated), Brawny (+1 melee and thrown weapons damage, can re-roll damage once per attack), Instinct (can re-roll DEX when reacting to dangerous situations), Rugged (+1 Hit Die, +3 HP).
You can download +John Harper's World of Dungeons for free here.