Deployable Wall

You can summon a small wall on a unoccupied space you can see within 10 feet the wall is 3 feet high and 10 feet long and 1 inc thick giving half cover to creature's standing behind it. The wall has 20AC and 10HP and is vulnerable to fire and force damage.

if cast with a level of 3rd or higher

if summoned using a spell slot of 3lvl or higher the wall gains extra 10 hp and

if summoned using a spell slot of 4lvl the wall will be 15 feet long and 4,5 feet high and giving 3 quarters cover. If summoned using a spell slot of 6lvl it will be 20 feet long and 4,5 feet high and if cast with 8lvl it will be 20feet long and 6 feet high giving full cover.