[@ERode]

There would be no response from the gloves, with what he'd do to search for it. Which would indicate that either the gloves were destroyed so fully that not enough essence clusters remain intact to determine its specific existence as gloves, that the gloves had their essence suppressed by some means of either magic or manipulation that his current methods would be unable to break through, or that the gloves are in a different realm of reality (such as Ascendia itself) for which something like a quick spell usage would not be able to pin down. 

In the case of the third possibility, Otis would know that the means to track essence across other realms would require expensive, lengthier rituals typically involving the purchasing of alchemical and magical materials, if attempted conventionally.