My Boss Wont Drop My Weapon?

[razacore]

I put a custom dropset and custom npc and custom boss in my gunz and when i kill my boss, it sometimes drops the hp then it wont drop anything. Help here?

Npc.xml (Only my custom npc i show)

<NPC id="150"
     name="Death King"
     desc="You go to him, he kills you then stores you in the tomb of shadows!"
     meshname="skeletonC"
     scale="5.5 5.5 5.5"
     grade="boss"
     max_hp="10000"
     max_ap="2500"
     int="3"
     agility="5"
     view_angle="20"
     dc="50"
     offensetype="1"
     dyingtime="8">
     <COLLISION radius="50" height="200" tremble="10" />
     <ATTACK type="melee" range="400" weaponitem_id="521" />
     <FLAG never_blasted="true" never_pushed="true" never_attack_cancel="true" />
     <SPEED default="450" rotate="3.000" />
     <SKILL id="371" />            <!-- Flamecast Slash -->
     <DROP table="C10" />
</NPC>

Droptable.xml (Only my dropset i show)
534 is the id of my weapon, (Its a sword)

<DROPSET id="302" name="C10">
	<ITEMSET QL="0">
		<ITEM id="hp1"		rate="0.20" />
		<ITEM id="534"		rate="0.80" />
	</ITEMSET>
	<ITEMSET QL="1">
		<ITEM id="hp1"		rate="0.20" />
		<ITEM id="534"		rate="0.80" />
	</ITEMSET>
	<ITEMSET QL="2">
		<ITEM id="hp1"		rate="0.20" />
		<ITEM id="534"		rate="0.80" />
	</ITEMSET>
	<ITEMSET QL="3">
		<ITEM id="hp1"		rate="0.20" />
		<ITEM id="534"		rate="0.80" />
	</ITEMSET>
	<ITEMSET QL="4">
		<ITEM id="hp1"		rate="0.20" />
		<ITEM id="534"		rate="0.80" />
	</ITEMSET>
	<ITEMSET QL="5">
		<ITEM id="hp1"		rate="0.20" />
		<ITEM id="534"		rate="0.80" />
	</ITEMSET>	
</DROPSET>

scenario.xml (Only showing my custom boss)

<SPECIAL_SCENARIO id="44"
	title="Death King"
	QL="1"
	DC="1"
	mapset="Mansion"
	XP="250000"
	BP="100000">
	<SACRI_ITEM itemid="200010" />
	<SACRI_ITEM itemid="200025" />

	<MAP dice="1" key_sector="102" key_npc="150" boss="true" >
		<NPCSET_ARRAY>C01</NPCSET_ARRAY>
	</MAP>
	<MAP dice="2" key_sector="102" key_npc="150" boss="true">
		<NPCSET_ARRAY>C01</NPCSET_ARRAY>
	</MAP>
	<MAP dice="3" key_sector="102" key_npc="150" boss="true">
		<NPCSET_ARRAY>C01</NPCSET_ARRAY>
	</MAP>
	<MAP dice="4" key_sector="102" key_npc="150" boss="true">
		<NPCSET_ARRAY>C01</NPCSET_ARRAY>
	</MAP>
	<MAP dice="5" key_sector="102" key_npc="150" boss="true">
		<NPCSET_ARRAY>C01</NPCSET_ARRAY>
	</MAP>
	<MAP dice="6" key_sector="102" key_npc="150" boss="true">
		<NPCSET_ARRAY>C01</NPCSET_ARRAY>
	</MAP>
</SPECIAL_SCENARIO>

Tell me if i did something wrong or if you find something i could fix.

Thanks for the help and time.

[MentaL]

[SphSplash]

Add rent period to droptable part.

[razacore]

i dont want to rent it though... i want it too stay, but thats the only way?