Dragonmail

5th-level Conjuration

Casting Time: 1 Action

Range: Self

Components: V, S, M

Duration: 1 hour

You create a shining suit of armor etched with an intricate dragonscale pattern around your body. It is treated as mithral breastplate for all purposes and you are treated as proficient with this armor. Removing or destroying this armor dismisses the spell. While wearing this armor you gain resistance to one damage type of your choice: acid, cold, fire, lightning, or thunder.
At Higher Levels. If cast using a spell slot of 7th level or higher, the duration of the spell increases to 8 hours and you gain a +1 bonus to saving throws. If cast using a 9th level spell slot, you gain a +1 bonus to AC.