How can players characters obtain Damage Reduction? I'm tracking down some sources.
Base Classes:
Barbarian
Prestige Classes:
Dwarven Defender
Spells:
Gaseous Form
Iron Body
Righteous Might
Stoneskin
Epic Prestige Classes:
Legendary Dreadnought
Non-Epic Magic Items:
Mantle of Faith
Epic Magic Items:
Ring of Ironskin
Mundane Items:
Adamantine Armor
Base Classes:
Barbarian
Prestige Classes:
Dwarven Defender
Spells:
Gaseous Form
Iron Body
Righteous Might
Stoneskin
Epic Prestige Classes:
Legendary Dreadnought
Non-Epic Magic Items:
Mantle of Faith
Epic Magic Items:
Ring of Ironskin
Mundane Items:
Adamantine Armor