oot/assets/xml/objects/object_gi_bosskey.xml

<Root>
    <ExternalFile OutPath="assets/objects/gameplay_keep"/>
    <File Name="object_gi_bosskey" Segment="6">
        <DList Name="gGiBossKeyDL" Offset="0x0CA0"/>
        <DList Name="gGiBossKeyGemDL" Offset="0x0F08"/>
    </File>
</Root>