When motes or lesser magical creatures merge, a strange type of excess magic is created. This magic disperses quite quickly, the potential for change once again mingling with Ichus' magical atmosphere -- but some individuals are able to locate and coalesce this unique energy into Mergespheres.

Strange mages and even wizards take quite a shine to it, for some reason. They're quite a nifty bartering chip in unusual markets, though some turn their nose up at the stuff.