Elemental Suit

You create a Blue, Green, Yellow, Red, Orange, White,  Pink, Black, or Purple suit of armor symbolizes cold, the Green Poison, the Yellow for lightning, the Red for Fire, the Orange for Radiant, the White for Force, the Black for Acid, the Pink for Psychic, and the Purple for Necrotic. Each provides resistance to it's type, an AC of 12 + your Constitution modifier, and 1d6 Crystals, which you can use to add +1 AC to yourself as a bonus action. After a turn, the crystal disintegrates.