local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_FIREAREA)
combat:setParameter(COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_FIRE)

function onCastSpell(creature, variant)
	for _, target in ipairs(combat:getTargets(creature, variant)) do
		creature:addDamageCondition(target, CONDITION_FIRE, DAMAGELIST_VARYING_PERIOD, 10, {8, 10}, 20)
	end
	return true
end