Wondrous Item, rare
This shard emits a faint magical aura and vibrates lightly when held. When affixed to an item, the shard's magical properties enhances the item depending on the type.
When affixed to a spell casting focus, you gain a +1 bonus to spell attack rolls and the saving throw DCs of your spells. Additionally, you can cast absorb elements at will.
When you roll a 20 on a spell attack roll, the target takes an extra 1d8 force damage and is stunned until the end of your next turn.
Notes: Bonus: Spell Save DC, Bonus: Spell Attacks