Wall of Fire

Casting Time: 1 action - Range: 120 feet - Components: V, S, M (a small piece of phosphorus) - Duration: Concentration, up to 1 minute
You create an opaque wall of fire up to 20 feet high, 1 foot thick and either 60 feet long or ringed with 20 meter diameter. Select one side of the wall. When the wall appears, each creature in the area takes 5d8, dexterity save for half. When a creature enters within 10 feet of the selected side or ends its turn there it takes 5d8 fire damage. At higher levels dam