i think is that
<skill id="5172" levels="10" name="Medusa">
<skill id="7064" levels="1" name="Master's Blessing - Chant of Victory">
i think that beacause other skills have and all this:
<set name="itemConsumeId" val="3031"/>
<set name="itemConsumeCount" val="40"/>
<set name="mpInitialConsume" val="57"/>
<set name="mpConsume" val="284"/>
<set name="target" val="TARGET_PARTY"/>
<set name="skillRadius" val="1000"/>
<set name="reuseDelay" val="1200000"/>
<set name="hitTime" val="2500"/>
<set name="skillType" val="BUFF"/>
<set name="isMagic" val="true"/>
<set name="operateType" val="OP_ACTIVE"/>
<set name="castRange" val="-1"/>
<set name="effectRange" val="-1"/>
<set name="aggroPoints" val="669"/>
but some skills as pvp skills not been underneath all this only one channel...