When skill is triggered, it only affects party members, if you spawn skill in skill list and use it as normal, it works good.
<skill id="5428" toLevel="1" name="Counter Dash">
<!-- Condition causing target to increase speed. -->
<icon>icon.skill0534</icon>
<operateType>A2</operateType>
<targetType>SELF</targetType>
<affectObject>FRIEND</affectObject>
<affectRange>1000</affectRange>
<affectScope>PARTY</affectScope>
<abnormalLevel>1</abnormalLevel>
<abnormalTime>60</abnormalTime>
<abnormalType>ARCHER_SPECIAL_I</abnormalType>
<basicProperty>NONE</basicProperty>
<hitCancelTime>0</hitCancelTime>
<isMagic>4</isMagic>
<isTriggeredSkill>true</isTriggeredSkill>
<magicCriticalRate>-5</magicCriticalRate>
<magicLevel>79</magicLevel>
<reuseDelay>10000</reuseDelay>
<specialLevel>-1</specialLevel>
<effects>
<effect name="Speed">
<amount>40</amount>
<mode>DIFF</mode>
</effect>
</effects>
</skill>