Questioner (paraphrased)
Can bronze+duralumin pierce copperclouds for a split second?
Brandon Sanderson (paraphrased)
Yes, for an instant.
Can bronze+duralumin pierce copperclouds for a split second?
Yes, for an instant.
If two people are identical twins, and one is a Mistborn, will the second be Mistborn?
No. They could have different Spiritual DNA.
Does having multiple people burn copper make it harder to pierce them?
Yes.
What metal is the lynchpin spike made of?
RAFO.
What is the proper way for nobles to address Inquisitors?
Your Grace. They are like cardinals in the Catholic Church.