Blazing End

This spell creates a near unstoppable inferno which spreads killing and destroying all in its path. When you cast this spell it spreads from the point it was casts, it moves at 100ft, this can go round corners go up and down. It has a maximum range equal to a number of miles equal to your level, if there are any buildings or creatures in this range will have the spell track them and will head towards them. Any creature or object/building within its who enter or start its turn in the flames takes 20d20 fire and 20d20 necrotic damage, this ignores any resistances and immunity's , if a creature has under 75 hit points they are killed instantly. If a creature is within a wall of force then they are protected for a small amount of time, the wall of force lasts for a number of rounds equal to (the casters level + the spell level) - Your level, the caster of the wall of force can as an action while the wall is up expend spell slots and gain that many more rounds.

This spell cannot be dispelled par from one method, to stop it one person must cast Epic Counterspell and then must have a number of other spell casters expend a number of number of spell slots equal to your level not including the Epic Counterspell.