cursed_bile.xml

<items>
  <item>
    <key>cursed_bile</key>
    <name>Cursed Bile</name>
    <description>
      Unleashes a demonic power that seeks out and curses a nearby item.
    </description>
    <type>Potion</type>
    <icon>itemalchemy2_15</icon>
    <sortKey>_potion27</sortKey>
    <weight>0.5</weight>
    <useSpeed>0</useSpeed>
    <immediateEffects>
      <immediateEffects>
        <type>ApplyItemCurse</type>
      </immediateEffects>
    </immediateEffects>
    <priceDetails>
      <buy>30</buy>
      <sell>10</sell>
      <canTrade>false</canTrade>
    </priceDetails>
    <identifyInfo>
      <identified>false</identified>
      <unidentifiedItem>unidentified_potion_w050</unidentifiedItem>
      <consumeText>You drink the unidentified potion. A horrifying feeling comes over you.</consumeText>
      <identifyRecipe>cursed_bile</identifyRecipe>
      <identifyAbilities>alchemy_ability_identify</identifyAbilities>
    </identifyInfo>
  </item>
</items>