local combat = Combat()
combat:setArea(createCombatArea(AREA_CIRCLE3X3))

function onTargetCreature(creature, target)
	if target:isMonster() then
		if target:getName() == "Mercenario" then
			creature:setTarget(target)
		end
	end
	
	return doChallengeCreature(creature, target)
end

combat:setCallback(CALLBACK_PARAM_TARGETCREATURE, "onTargetCreature")

function onCastSpell(creature, variant)
	local checkTarget = creature:getTarget()
	if checkTarget then
		if checkTarget:isPlayer() or checkTarget:getName() == "Soldier" and checkTarget:getName() == "Towncryer" then
			creature:setTarget(nil)
		end
	end
	return combat:execute(creature, variant)
end