Adherents of the Church of the Silver flame believe that flame touched iron carries the particular blessing of their deity, and they use it to make holy symbols, weapons and armor.

银焰教会的信徒认为圣光铁携带着他们所信仰神诋的祝福，他们同时也使用圣光铁来制作圣徽、武器以及防具。

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Griff ignored the request. Instead he touched the letter to the candle flame and watched the parchment blacken, curl, and flare up.

格里夫忽略了他的请求，相反他用烛焰点燃了信件看着它变的焦黑、卷曲最后灰飞烟灭。

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She has previously said this happened when Millie accidentally touched a candle flame.

BBC: Millie Martin