advanced_satchels.xml

<abilities>
  <ability>
    <name>Advanced Satchels</name>
    <key>advanced_satchels</key>
    <skill>Quartermastery</skill>
    <icon>advanced_satchels</icon>
    <description>
      Unlock an additional satchel inventory slot.
      [p]Gain the ability to craft advanced satchels.
    </description>
    <type>Passive</type>
    <subType>inventory_management</subType>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredLevel>10</requiredLevel>
        <requiredPoints>2</requiredPoints>
        <requires>basic_satchels</requires>
      </unlockRequirements>
    </unlockInfo>
  </ability>
</abilities>