Adolpho was an infamous thief, well-known to both Felix and Marcus, among others.[1] He had collected a lot of information on the Bonehoard, and was convinced that a valuable gemstone known as the Mystic's Soul was hidden there. He entered the Bonehoard with the intention of collecting it, but was killed by a pressure trap in the lower tombs, deep below the burrick tunnels, while attempting to collect fire arrows necessary to open the way to the Mystic's Soul.[2] He left behind certain markings, indicating this location, which were followed by Marcus, who died in the watery chasm nearby.[3] The 'X'-shaped signs noted by Sutter (Expert only) may also be Adolpho's, unless these were made by another thief in search of the Mystic's Heart.[4]