Kelsier has a Hemalurgic spike in his leftright eye socket,{{book ref|mb6mb7|epilogue}}{{wob ref|5660}}{{book ref|mb2|5840}} which he acquires sometime after the [[Catacendre]].{{msh ref|epilogue}} As a result, he has both regular vision and the steelsight that [[Steel Inquisitor|Inquisitors]] used, allowing him to see via both normal light and trace metals.{{book ref|mb6|epilogue}}