Counterspell is a Abjuration Level 3 found in Baldur's Gate 3. The effect is obvious by its name ultimately repelling a spell attack that could potentially spell trouble for you and your party. This Abjuration spell is an excellent defensive function to have handy in any engagement.
Class and Race Restrictions
Counterspell can only be learned and used by the following classes / subclasses: Sorcerer, Warlock, Wizard.
Additional information for Counterspell
When you cast this spell using a spell slot of 4th level or higher, the interrupted spell is guaranteed to have no effect if its level is less than or equal to the level of the spell slot you used.