Undead Trait

Pros

Frost Resistance
Disease Immunity
Critical Hit Immunity
Mind-Affecting Resistance
Paralysis Immunity
Poisoning Immunity
Your Poise will take 50% less Damage

Cons

You have a Weakness to Fire [You take +1D6X Fire Damage]
Silver Does More Damage To You [+1D4 Points Of Damage]
Divination Vulnerability