I am trying to understand the differences between/among the glamors used by Melssandre and the Faceless Men in ASOIAF.
In AFFC Arya and "the kindly man" have this exchange:
“...Jaqen used magic.”
“All sorcery comes at a cost, child. Years of prayer and sacrifice and study are required to work a proper glamor.”
Maester Aemon to Sam
...we all deceive ourselves, when we want to believe. Melisandre most of all, I think. The sword is wrong, she has to know that... light without heat... an empty glamor... the sword is wrong, and the false light can only lead us deeper into darkness
In ADWD Melisandre describes the nature of the glamor she used
“The spell is made of shadow and suggestion. Men see what they expect to see. The bones are part of that.” Was I wrong to spare this one? “If the glamor fails, they will kill you.”
She later says to Mance and Jon Snow
"The strongest glamors are built of such things. A dead man’s boots, a hank of hair, a bag of fingerbones. With whispered words and prayer, a man’s shadow can be drawn forth from such and draped about another like a cloak. The wearer’s essence does not change, only his seeming."
However, when Arya first changes her face, it is described as something beyond a simple glamor:
“Mummers change their faces with artifice,” the kindly man was saying, “and sorcerers use glamors, weaving light and shadow and desire to make illusions that trick the eye. These arts you shall learn, but what we do here goes deeper. Wise men can see through artifice, and glamors dissolve before sharp eyes, but the face you are about to don will be as true and solid as that face you were born with. Keep your eyes closed.”
So, my question is what are these different types of glamors? If Jaqen's was indeed a glamor, how was it different from what Arya does at the temple?