B.F.G (Big F****** Gun)

Calling in a B.F.G strike at coordinates that you input, the B.F.G will begin its firing sequence and lock onto the target area. It will fire after 1 minute. Upon firing, anything caught in the 50ft area takes 100d10 radiant damage, aka pretty much instantly obliterated. Anything within 10ft of the blast radius makes a Str saving throw to avoid being blown back for 30ft and nocked prone, and if they hit anything, doing a Con save, failure of which deals 10d10 force damage as they are smashed against the object. Anything within 100ft of the blast radius must make a DC 20 Wis save, or be frightened, retaking the save every turn. They most certainly can become frightened by a B.F.G strike again, although the DC becomes easier by two every B.F.G strike they witness, minimum DC being 10.