<?xml version="1.0" encoding="UTF-8"?>
<monster name="Kakuzu" nameDescription="Kakuzu" race="blood" experience="0" speed="650" manacost="0">
 <health now="9065000" max="9065000"/>
	<look type="998" head="0" body="94" legs="79" feet="79" corpse="0"/>
	<targetchange interval="5000" chance="50"/>
	<strategy attack="90" defense="20"/>
	<flags>
		<flag summonable="1"/>
		<flag attackable="1"/>
		<flag hostile="1"/>
		<flag illusionable="0"/>
		<flag convinceable="1"/>
		<flag pushable="0"/>
		<flag canpushitems="1"/>
		<flag canpushcreatures="1"/>
		<flag targetdistance="1"/>
		<flag staticattack="65"/>
		<flag runonhealth="0"/>
	</flags>
   <script>
  </script>
	<attacks>
		<attack name="melee" interval="800" min="-550" max="-640"/>
		<attack name="manadrain" interval="1000" chance="10" range="7" min="-760" max="-815">
			<attribute key="areaEffect" value="redshimmer"/>

		</attack>
		<attack name="Katon Dragon Furie" interval="2000" chance="100" radius="4" target="1" min="-14340" max="-5600">
		</attack>
		<attack name="Doton Dragon Furie" interval="2200" chance="100" target="1" min="-14440" max="-5100">
		</attack>
	</attacks>
	<defenses armor="80" defense="80">
		<defense name="healing" interval="4000" chance="40" min="300" max="300">
			<attribute key="areaEffect" value="blueshimmer"/>
	</defense>
		<defense name="speed" interval="4000" chance="40" speedchange="600" duration="4000">
			<attribute key="areaEffect" value="redshimmer"/>
		</defense>
	</defenses>
	<elements>
		<element physicalPercent="20"/>
		<element icePercent="10"/>
		<element holyPercent="-15"/>
		<element deathPercent="35"/>
	</elements>
	<immunities>
		<immunity poison="1"/>
		<immunity lifedrain="1"/>
		<immunity outfit="1"/>
		<immunity drunk="1"/>
		<immunity invisible="1"/>
	</immunities>
	<voices interval="5000" chance="10">
		<voice sentence=".." yell="1"/>
	</voices>
	<loot>
	</loot>
</monster>

queria que ele esse monsters colocasse outros monstros (invocar outros)

<?xml version="1.0" encoding="UTF-8"?>
<monster name="Kakuzu" nameDescription="Kakuzu" race="blood" experience="0" speed="650" manacost="0">
 <health now="9065000" max="9065000"/>
	<look type="998" head="0" body="94" legs="79" feet="79" corpse="0"/>
	<targetchange interval="5000" chance="50"/>
	<strategy attack="90" defense="20"/>
	<flags>
		<flag summonable="1"/>
		<flag attackable="1"/>
		<flag hostile="1"/>
		<flag illusionable="0"/>
		<flag convinceable="1"/>
		<flag pushable="0"/>
		<flag canpushitems="1"/>
		<flag canpushcreatures="1"/>
		<flag targetdistance="1"/>
		<flag staticattack="65"/>
		<flag runonhealth="0"/>
	</flags>
   <script>
  </script>
	<attacks>
		<attack name="melee" interval="800" min="-550" max="-640"/>
		<attack name="manadrain" interval="1000" chance="10" range="7" min="-760" max="-815">
			<attribute key="areaEffect" value="redshimmer"/>

		</attack>
		<attack name="Katon Dragon Furie" interval="2000" chance="100" radius="4" target="1" min="-14340" max="-5600">
		</attack>
		<attack name="Doton Dragon Furie" interval="2200" chance="100" target="1" min="-14440" max="-5100">
		</attack>
	</attacks>
	<defenses armor="80" defense="80">
		<defense name="healing" interval="4000" chance="40" min="300" max="300">
			<attribute key="areaEffect" value="blueshimmer"/>
	</defense>
		<defense name="speed" interval="4000" chance="40" speedchange="600" duration="4000">
			<attribute key="areaEffect" value="redshimmer"/>
		</defense>
	</defenses>
	<elements>
		<element physicalPercent="20"/>
		<element icePercent="10"/>
		<element holyPercent="-15"/>
		<element deathPercent="35"/>
	</elements>
  <!-------->
  <summons maxSummons="4">
		<summon name="demon" interval="1000" chance="10" max="4"/>
	</summons>
  <!------->
	<immunities>
		<immunity poison="1"/>
		<immunity lifedrain="1"/>
		<immunity outfit="1"/>
		<immunity drunk="1"/>
		<immunity invisible="1"/>
	</immunities>
	<voices interval="5000" chance="10">
		<voice sentence=".." yell="1"/>
	</voices>
	<loot>
	</loot>
</monster>

Na tag 'summons', onde está demarcado:

Maxsummons - quantidade maxima do mosntro que ele vai summonar.

Name: nome do mosntro que será summonado.

Interval: Intervalo de tempo em que os monstros são summonados.

Chance: A chance do monstro possivelmente summonar.

Max: Maximo do mosntro denominado na area 'Name' que será summonado.