Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
3 Normal Monsters Must be Fusion Summoned. You can only control 1 "First of the Dragonlords". Cannot be destroyed by battle, and is unaffected by other monsters' effects. Once, while face-up on the field, when a Spell/Trap Card or effect is activated (Quick Effect): You can destroy all Spells and Traps on the field. You can only use this effect of "First of the Dragonlords" once per turn.
--始祖の竜王
--First of the Dragonlords
--scripted by Naim
local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	--Fusion Materials: 3 Normal Monsters
	Fusion.AddProcMixN(c,true,true,aux.FilterBoolFunctionEx(Card.IsType,TYPE_NORMAL),3)
	c:AddMustBeFusionSummoned()
	--You can only control 1 "First of the Dragonlords"
	c:SetUniqueOnField(1,0,id)
	--Cannot be destroyed by battle
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e1:SetValue(1)
	c:RegisterEffect(e1)
	--Unaffected by other monsters' effects
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e2:SetCode(EFFECT_IMMUNE_EFFECT)
	e2:SetRange(LOCATION_MZONE)
	e2:SetValue(function(e,te) return te:IsMonsterEffect() and te:GetOwner()~=e:GetOwner() end)
	c:RegisterEffect(e2)
	--Destroy all Spells and Traps on the field
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,0))
	e3:SetCategory(CATEGORY_DESTROY)
	e3:SetType(EFFECT_TYPE_QUICK_O)
	e3:SetProperty(EFFECT_FLAG_NO_TURN_RESET)
	e3:SetCode(EVENT_CHAINING)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1,id)
	e3:SetCondition(function(e,tp,eg,ep,ev,re,r,rp) return re:IsSpellTrapEffect() end)
	e3:SetTarget(s.destg)
	e3:SetOperation(s.desop)
	c:RegisterEffect(e3)
end
s.listed_names={id}
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk)
	local g=Duel.GetMatchingGroup(Card.IsSpellTrap,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,nil)
	if chk==0 then return #g>0 end
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,#g,tp,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(Card.IsSpellTrap,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,nil)
	if #g>0 then
		Duel.Destroy(g,REASON_EFFECT)
	end
end