adamant_battlestaff_reflect.xml

<statusEffects>
  <statusEffect>
    <turns>1</turns>
    <name>Adamant Guard</name>
    <key>adamant_battlestaff_reflect</key>
    <icon>icon_status_adamant_guard</icon>
    <reduceOnStartOfTurn>true</reduceOnStartOfTurn>
    <modifiers>
      <modifiers>
        <type>Reflection</type>
        <amount>5.0</amount>
      </modifiers>
    </modifiers>
  </statusEffect>
</statusEffects>