Here is my Edited File
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE list SYSTEM "skills.dtd">
<list>
<skill id="9999" levels="1" name="Summon Gordon">
<table name="#mpConsume_Init"> 8 </table>
<table name="#mpConsume"> 31 </table>
<table name="#reuseDelay"> 300000 </table>
<table name="#itemConsumeCount"> 3 </table>
<table name="#itemConsumeCountOT"> 0 </table>
<set name="itemConsumeId" val="1458"/>
<set name="itemConsumeCount" val="#itemConsumeCount"/>
<set name="itemConsumeIdOT" val="1458"/>
<set name="itemConsumeCountOT" val="#itemConsumeCountOT"/>
<set name="itemConsumeTime" val="240000" />
<set name="mpInitialConsume" val="#mpConsume_Init"/>
<set name="mpConsume" val="#mpConsume"/>
<set name="power" val="0.0"/>
<set name="target" val="TARGET_SELF"/>
<set name="hitTime" val="5000"/>
<set name="reuseDelay" val="#reuseDelay"/>
<set name="skillTime" val="15000"/>
<set name="skillType" val="SUMMON"/>
<set name="isMagic" val="true"/>
<set name="operateType" val="OP_ACTIVE"/>
<set name="castRange" val="-1"/>
<set name="effectRange" val="-1"/>
<!-- Summon-specific -->
<table name="#npcIds"> 9999999 </table>
<set name="npcId" val="#npcIds" />
<set name="expPenalty" val="0.0" />
<set name="isCubic" val="false" />
<for>
</for>
</skill>
</list>
...I have been made the new line in the table NPC with the same ID 9999999 and the same name Gordon and the Id Template 29095 (thats Gordon IDTemplate),I did everything you explained but when i create summon ID in game i don't get the summon magic in my Active Skills,So what do you think i'm doing wrong?