renew_status.xml

<statusEffects>
  <statusEffect>
    <turns>30</turns>
    <name>Renew</name>
    <key>renew_status</key>
    <icon>naturemagic_1</icon>
    <reduceOnStartOfTurn>true</reduceOnStartOfTurn>
    <modifiers>
      <modifiers>
        <type>HealingEfficiency</type>
        <amount>0.25</amount>
      </modifiers>
    </modifiers>
  </statusEffect>
</statusEffects>