: * Iron is used in-universe to symbolize swords and killing (see for instance the phrase "taking the iron price"). Thus, it is no coincidence that the Faceless Men assassins have iron coins for some purpose, and that the Braavosi bank that you do not want to be in debt to, is called the "Iron Bank". Similarly, note that the Faceless Man calling himself the Alchemist says he can turn "iron into gold" (not the usual lead-to-gold), and since he kills using a poisoned gold coin, he actually did use gold for the purpose he would normally use iron.- Jordan * There's some definitely Stealth Pun humor with the Kettleblack brothers. Their accusing others of their own crimes fits with the proverb about what the pot called the kettle. Also, it has to be a deliberate joke that they are the epit