Valda's Spire of Secrets
Consecrated Armor
1-level Abjuration
Ritual - does not require spell slot, takes 10 minutes longer
Casting Time: 1 action
Range/Area: Self
Components: V, S, M
Materials: a drop of blessed oil
Duration: 8 hours
You trace a holy symbol on your chest, and an invisible barrier protects you until the spell ends. Your base AC becomes 12 + your Dexterity modifier. If you are attacked by a fiend or undead, your AC becomes 15 + your Dexterity modifier against that attack.