Wondrous Item, rare (requires attunement)
This amulet is shaped like a sword with a small ruby set in the cross guard. This item has three charges, and regains 1d4-1 charges whenever you take a long rest. When you see a creature within 60ft of you casting a spell, you can use a reaction expend a charge and cast Counterspell. For 1 charge, you cast the 3rd-level version of the spell. You can increase the spell slot level by one for each additional charge you expend.
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