Fortificação é um aprimoramento mágico.
This suit of armor or shield produces a magical force that protects vital areas of the wearer more effectively. When a critical hit or sneak attack is scored on the wearer, there is a chance that the critical hit or sneak attack is negated and damage is instead rolled normally.
Fortification Type Chance for Normal Damage Light 25% Moderate 75% Heavy 100%
A armadura base pode ser de qualquer tipo. Ele precisa ser armadura mágica , ou seja, ter pelo menos +1 de bônus.
In addition to an enhancement bonus, armor may have special abilities. Special abilities usually count as additional bonuses for determining the market value of an item, but do not improve AC. A suit of armor cannot have an effective bonus (enhancement plus special ability bonus equivalents) higher than +10. A suit of armor with a special ability must have at least a +1 enhancement bonus.
Você precisará pedir ao seu Mestre mais detalhes sobre sua armadura específica.