... ah. I see.

[ he wants him to go on. his eyelids flutter shut. he hesitates, not sure on how he should go about this-- ]

In Ivalice, there is such a thing as 'magicite' and 'nethicite'. Magicite is stone infused with Mist--as I have said before. Nethicite is a form of magicite--it, however, absorbs magickal energy. When deifacted nethicite absorbs too much Mist and if one tries to remove it--it bursts completely, causing uncontrollable, irreversable damage.