Editing Dragonglass (section)

===''A Feast For Crows''===
In [[Oldtown]], [[Leo Tyrell (son of Moryn)|Leo Tyrell]] tells his fellow acolytes and novices of the [[Citadel]] that there is a [[glass candle]] burning in Archmaester [[Marwyn]]'s chambers. [[Armen]] explains the vigil an acolyte must hold to become a [[maester]], where one fruitlessly attempts to light one of the Citadel's glass candles, and says that obsidian does not burn. [[Pate (novice)|Pate]] remembers that the smallfolk call obsidian dragonglass, and [[Alleras]] wonders if the return of [[dragons]] is what lets the candle burn again.{{ref|AFFC|0}}

At the Wall, Samwell tells Jon, the new Lord Commander, that he has learned the children of the forest used to give the Night's Watch a hundred obsidian daggers every year, during the [[Age of Heroes]].{{ref|AFFC|5}} 

When Sam arrives at the Citadel, there is a black glass candle burning in Marwyn's study on the [[Isle of Ravens]]. Marwyn tells him that it burns but is not consumed.{{ref|AFFC|45}}