Skill: relic lore.
This skill is easy to learn.
The skill is automatically in use.
With knowledge within the field of relics a dwarven caster can enhance his/her ancestral armour to be as powerful as it once was. This skill, along with mastery of relics, is used to determine the maximum amount of base metal that the caster is able to infuse into the armour.
Study this skill, and mastery of relics, with caution for it will take a long time before you will need high ranks in these skills.