persisting_summon.xml

<abilities>
  <ability>
    <name>Persisting Summon</name>
    <key>persisting_summon</key>
    <skill>nature_magic</skill>
    <icon>naturemagic_21</icon>
    <description>
      Plants and animals you summon persist for +20 turns.
    </description>
    <type>Passive</type>
    <subType>0_Passives</subType>
    <abilitySoundPack>spell_summon</abilitySoundPack>
    <passiveInfo>
      <modifiers>
        <modifiers>
          <type>NatureMagicSummonDuration</type>
          <amount>20.0</amount>
        </modifiers>
      </modifiers>
    </passiveInfo>
    <unlockInfo>
      <autoUnlock>-1</autoUnlock>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredLevel>5</requiredLevel>
        <requiredPoints>2</requiredPoints>
      </unlockRequirements>
    </unlockInfo>
  </ability>
</abilities>