local combat = createCombatObject()
setCombatParam(combat, COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
setCombatParam(combat, COMBAT_PARAM_EFFECT, CONST_ME_EXPLOSIONAREA)
function onGetFormulaValues(cid, level, maglevel)
	min = -(level * 5.1 + maglevel * 6.95)
	max = -(level * 6.0 + maglevel * 9.2)
	return min, max
end

setCombatCallback(combat, CALLBACK_PARAM_LEVELMAGICVALUE, "onGetFormulaValues")

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

local area = createCombatArea(arr)

setCombatArea(combat, area)

function onCastSpell(cid, var)

	return doCombat(cid, combat, var)
end