This shield is crafted from the remains of a giant sand disc, a type of sea urchin that occasionally washes up along the Halcyon Coast. An imbued enchantment allows its dried husk to retain a fragment of its original marine life properties.
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Sand Disc Buckler
Shield, rare (optional attunement by a Druid, Ranger, or Nature-themed character)
While you wield this magic shield, you have a +1 bonus to your AC. This bonus is in addition to the shield's normal bonus to AC. Additionally, you have resistance to bludgeoning and cold damage caused by a water-based effect as you interpose the shield before you.
Optional Attunement (Druid, Ranger, or Nature-themed character Only). If you attune to this shield, you can extend this protection to your allies. If a water-based effect extends from one source in a line or cone towards you, you can choose to raise the shield and block the flow of water (no action required). You split the water and prevent the effect from affecting targets in a 60-foot cone behind you, directly opposite from the water's source.