blood_splatter.xml

<abilities>
  <ability>
    <name>Blood Splatter</name>
    <key>blood_splatter</key>
    <skill>Axes</skill>
    <icon>blood_splatter</icon>
    <tagline>"The axe fell, and so did the first. But death was not content to stop at one."</tagline>
    <description>
      Killed enemies explode, dealing 8 true damage to all adjacent targets.
    </description>
    <type>upgrade</type>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredLevel>0</requiredLevel>
        <requiredPoints>3</requiredPoints>
        <requires>street_sweeper</requires>
      </unlockRequirements>
    </unlockInfo>
  </ability>
</abilities>