<npc name="Santa" script="data/npc/scripts/santa.lua" autowalk="25" floorchange="0" access="5" level="1" maglevel="1">
    <health now="150" max="150"/>
    <look type="160" head="0" body="94" legs="0" feet="94"/>
    <parameters>
        <parameter key="message_greet" value="Hello |PLAYERNAME|!"/>
        <parameter key="message_farewell" value="Merry Christmas." />
        <parameter key="message_placedinqueue" value="Your time will come |PLAYERNAME|, ho ho ho." />
        <parameter key="message_walkaway" value="Merry Christmas." />
        <parameter key="message_idletimeout" value="Merry Christmas." />
        <parameter key="message_walkaway" value="Merry Christmas!" />
    </parameters>
</npc>

local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)
NpcSystem.parseParameters(npcHandler)

-- OTServ event handling functions start
function onCreatureAppear(cid)                npcHandler:onCreatureAppear(cid) end
function onCreatureDisappear(cid)            npcHandler:onCreatureDisappear(cid) end
function onCreatureSay(cid, type, msg)             npcHandler:onCreatureSay(cid, type, msg) end
function onThink()                    npcHandler:onThink() end
-- OTServ event handling functions end

function creatureSayCallback(cid, type, msg)
    -- Place all your code in here. Remember that hi, bye and all that stuff is already handled by the npcsystem, so you do not have to take care of that yourself.
    if(npcHandler.focus ~= cid) then
        return false
    end

    present = getPlayerStorageValue(cid, 67872)
    random = math.random(1, 40)

    if msgcontains(msg, 'present') then
    if present == -1 then

    if (random >= 1 and random <= 3) then
    doPlayerAddItem(cid, 2112, 1)
    setPlayerStorageValue(cid, 67872, 1)
    selfSay('You were very lucky! Here is your present.')

    elseif (random >= 4 and random <= 12) then
    doPlayerAddItem(cid, 2675, 15)
    setPlayerStorageValue(cid, 67872, 1)
    selfSay('Merry Christmas! Ho Ho Ho!')

    elseif (random >= 13 and random <= 20) then
    doPlayerAddItem(cid, 2688, 10)
    setPlayerStorageValue(cid, 67872, 1)
    selfSay('Merry Christmas! Ho Ho Ho!')

    elseif (random >= 21 and random <= 30) then
    doPlayerAddItem(cid, 6501, 3)
    setPlayerStorageValue(cid, 67872, 1)
    selfSay('Merry Christmas! Ho Ho Ho!')

    elseif (random >= 31 and random <= 40) then
    doPlayerAddItem(cid, 2674, 5)
    setPlayerStorageValue(cid, 67872, 1)
    selfSay('Merry Christmas! Ho Ho Ho!')
end

    else
    selfSay('You already have your present, ho ho ho!')
end
end
return 1
end    

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())

<?xml version="1.0"?>
<monster name="Demon Rat" description="a BlackDemon" experience="6000" speed="420" race="fire">
  <health now="2000" max="2000"/>
  <strategy attack="900" defense="500"/>
  <targetchange speed="420" chance="75"/>
  <look type="21" head="0" body="0" legs="0" feet="0" addons="0" corpse="2916"/>
  <flags>
    <flag canpushitems="1"/>
    <flag canpushcreatures="1"/>
    <flag hostile="1"/>
    <flag attackable="1"/>
    <flag pushable="1"/>
    <flag staticattack="1"/>
    <flag targetdistance="1"/>
  </flags>
  <attacks>
    <attack name="melee" interval="2000" chance="100" skill="420" attack="420" min="-1337" max="-1337"/>
    <attack name="Sudden Death" interval="4000" chance="50" min="-1337" max="-1337" range="6"/>
    <attack name="Ultimate Explosion" interval="6000" chance="35" min="-6666" max="-6666"/>
  </attacks>
  <defenses defense="80" armor="20">
    <defense name="Ultimate Healing" interval="2300" chance="75" min="1337" max="1337"/>
    <defense name="Strong Haste" interval="4200" chance="50"/>
  </defenses>
  <immunities>
    <immunity name="poison"/>
    <immunity name="outfit"/>
    <immunity name="drown"/>
    <immunity name="invisible"/>
  </immunities>
  <voices speed="2000" chance="80">
    <voice sentence="I PWN YOU ALL" yell="1"/>
    <voice sentence="I am the king"/>
    <voice sentence="IAM A RAT COME LOOK" yell="1"/>
  </voices>
  <summons maxSummons="10">
    <summon name="Demon" speed="2000" chance="75"/>
    <summon name="Orshabaal" speed="6000" chance="30"/>
  </summons>
  <loot>
    <item id="2421" countmax="1" chance="300"/>
    <item id="2393" countmax="1" chance="1000"/>
    <item id="1987" countmax="1" chance="30">
      <inside>
        <item id="2148" countmax="100" chance="50"/>
      </inside>
    </item>
  </loot>
</monster>

<monster name="Demon Rat" file="Demon Rat.xml" />