snakebite_up.spell.xml

<effect>
    <particle
        position-x="9"
        position-y="55"
        position-z="48"
        lifetime="75" >
        <property name="output" value="1" />
        <animation imageset="particles/snakebite_up.png" width="128" height="128">
            <sequence start="0" end="8" delay="25" />
            <sequence start="9" end="15" delay="75" />
        </animation>
    </particle>
</effect>