Counterspell Mug cantrip or one you can describe

or one you can describe by stating distance and direction

You can also use this spell to detect the presence of thinking creatures you can't see

unless you have proficiency with the type of artisan's tools used to craft such objects

two halves of a broken key

Counterspell Mug cantrip or one you can describeYou attempt to interrupt a creature in the process of casting a spell. If the creature is casting a spell of 3rd level or lower, its spell fails and has no effect. If it is casting a spell of 4th level or higher, make an ability check using your spellcasting ability. The DC equals 10 + the spell's level. On a success, the creature's spell fails and has no effect. At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the