Arson Harmonica

this item creates a burst of fire. this is either one of three attacks:
attack one:    a 5x3x3 cone of fire forwards dealing 2d6 to all it hits. in order to succeed one needs to score 10 or more on d20+ performance check. this attack costs 1 spell slot
attack two:    a 20x5x5 cone of fire forwards dealing 3d6 to all it hits. in order to succeed one needs to score 20 or more on d20+ performance check. this attack costs 1 spell slot
attack three: a 30x5x5 cone of fire forwards dealing 4d6 to all it hits. in order to succeed one needs to score 25 or more on d20+ performance check. this attack costs 2 spell slots

Notes: Set: Constitution Score, Buff, Jewelry