Does a countered spell cost a spell slot?

Spell Slots You determine your available spell slots by adding together all your levels in the bard, cleric, druid, sorcerer, and wizard classes, and half your

When you cast Magic Missile you choose from your available spell slots a slot of equal or greater level to use, and then apply any changes based

spell slot calculator 5e The check's difficult is equal to 10 plus the level of the spell you are trying to counter Properties Cost: Reaction + Level 3 Spell Slot

spell slot slot count = GetActionCount Applies to spells that require reagents , items that stack , or items with charges ; used in the default UI to display