You are the sworn enemy of the undead. Whenever you see the undead, you go into a blind Rage. You must make a wisdom saving throw if you want to resist the Rage. While Raging:

• You have advantage on Strength checks and Strength saving throws.
• When you make a melee weapon attack using your primary attack stat, you gain a bonus to the damage roll that increases as you gain levels, as shown in the Rage Damage column of the Barbarian table.
• You have resistance to bludgeoning, piercing, and slashing damage.
• You have +3 to attack and damage rolls against undead.
• You have a -2 to your AC when attacked by undead
• If you are able to cast spells, you can’t cast them or concentrate on them while raging.
•  You have disadvantage on all wisdom and intelligence checks