Tente mudar seu script para este :
<?xml version="1.0" encoding="UTF-8"?>
<monster name="Morgaroth" nameDescription="Morgaroth" race="undead" experience="15000" speed="400" manacost="0">
<health now="55000" max="55000"/>
<look type="12" head="0" body="94" legs="79" feet="79" corpse="6068"/>
<targetchange interval="10000" chance="20"/>
<strategy attack="100" defense="0"/>
<flags>
<flag summonable="0"/>
<flag attackable="1"/>
<flag hostile="1"/>
<flag illusionable="0"/>
<flag convinceable="0"/>
<flag pushable="0"/>
<flag canpushitems="1"/>
<flag canpushcreatures="1"/>
<flag staticattack="98"/>
<flag targetdistance="1"/>
<flag runonhealth="0"/>
</flags>
<attacks>
<attack name="melee" interval="2000" min="-700" max="-2000"/>
<attack name="fire" interval="3000" chance="35" range="7" radius="7" target="1" min="-700" max="-1200">
<attribute key="shootEffect" value="fire"/>
<attribute key="areaEffect" value="firearea"/>
</attack>
<attack name="melee" interval="1800" chance="40" range="7" radius="5" target="0" min="-250" max="-400">
<attribute key="areaEffect" value="blackspark"/>
</attack>
<attack name="energy" interval="3000" chance="30" length="8" spread="0" min="-300" max="-1000">
<attribute key="areaEffect" value="energy"/>
</attack>
<attack name="physical" interval="2500" chance="20" range="7" radius="5" target="0" min="-200" max="-480">
<attribute key="areaEffect" value="greenshimmer"/>
</attack>
<attack name="physical" interval="2000" chance="15" range="7" radius="13" target="0" min="-250" max="-500">
<attribute key="areaEffect" value="rednote"/>
</attack>
<attack name="physical" interval="2000" chance="20" radius="14" target="0" min="-200" max="-450">
<attribute key="areaEffect" value="bluebubble"/>
</attack>
<attack name="melee" interval="3000" chance="15" range="7" radius="3" target="0" min="-100" max="-200">
<attribute key="areaEffect" value="blueshimmer"/>
</attack>
</attacks>
<defenses armor="55" defense="65">
<defense name="healing" interval="3000" chance="35" min="300" max="800">
<attribute key="areaEffect" value="blueshimmer"/>
</defense>
<defense name="speed" interval="4000" chance="80" speedchange="440" duration="6000">
<attribute key="areaEffect" value="redshimmer"/>
</defense>
</defenses>
<elements>
<element firePercent="100"/>
<element earthPercent="100"/>
<element energyPercent="100"/>
<element deathPercent="60"/>
<element physicalPercent="40"/>
<element icePercent="-25"/>
</elements>
<immunities>
<immunity paralyze="1"/>
<immunity invisible="1"/>
</immunities>
<summons maxSummons="6">
<summon name="Demon" interval="4000" chance="33"/>
</summons>
<voices interval="5000" chance="30">
<voice sentence="I AM MORGAROTH, LORD OF THE TRIANGLE... AND YOU ARE LOST!" yell="1"/>
<voice sentence="MY SEED IS FEAR AND MY HARVEST ARE YOUR SOULS!" yell="1"/>
<voice sentence="THE TRIANGLE OF TERROR WILL RISE!" yell="1"/>
<voice sentence="ZATHROTH! LOOK AT THE DESTRUCTION I AM CAUSING IN YOUR NAME!" yell="1"/>
</voices>
<loot>
</inside>
</item>
</loot>
</monster>