Earth Shield

Choose a creature you can see within range.  The creature’s skin and equipment take on a grayish-brown hue and grow rock-hard. Each time the creature takes damage, the amount is reduced by 1d8. This spell ends when you cast it again or when the target has taken damage five times.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the damage is reduced by an additional 1d8 for every two slot levels above 3rd.