Ring of Seasons

Ring, rare (requires attunement) This ring's band is intricated woven knotwork of silver with the gem of the ring changing upon the season. This ring has a small gemstone in it that changes depending on the season of the year. Depending on the season, the ring also offers Resistance to a specific damage form. Summer: Ruby, Resistance to Fire
Autumn: Emerald, Resistance to Poison
Winter: Tourmaline, Resistance to Cold
Spring: Aquamarine, Resistance to Lightning