local combat = createCombatObject()
setCombatParam(combat, COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
setCombatParam(combat, COMBAT_PARAM_EFFECT, CONST_ME_FIREAREA)
setCombatParam(combat, COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_FIRE)
setCombatFormula(combat, COMBAT_FORMULA_LEVELMAGIC, 0, -45, 0, -105)

local arr = {
	{0, 0, 0, 0, 0, 0, 0},
	{0, 0, 1, 1, 1, 0, 0},
	{0, 1, 1, 1, 1, 1, 0},
	{0, 1, 1, 3, 1, 1, 0},
	{0, 1, 1, 1, 1, 1, 0},
	{0, 0, 1, 1, 1, 0, 0},
	{0, 0, 0, 0, 0, 0, 0}
}

local area = createCombatArea(arr)
setCombatArea(combat, area)

function onCastSpell(cid, var)
	return doCombat(cid, combat, var)
end