Relics - R

Relic = Historically a Relic is defined as an object of religious attention. See the Wikipedia article for more info.
Relic Armor = A suit or pieces of a set of armor that are Relics. Relic Armor may or may not be adequate against conventional forms of weapons, but it does tend to be highly effective against supernatural attacks. 
Robe of St. Francis (animal affinity) 
Rock of St. Peter
Rogue Angel Series = For a great example of what a Conquistador would looklike, see Annja Creed in the Rogue Angel book series.