5e SRD 5.2.1 · 5.2.1
Cover
Playing the Game > Cover
DegreeBenefit to TargetOffered By ... Half+2 bonus to AC and Dexterity saving throws Another creature or an object that covers at least half of the target Three- Quarters +5 bonus to AC and Dexterity saving throws An object that covers at least three-quarters of the target Tot a lCan’t be targeted directly An object that covers the whole target