Squashed

First thought that popped in my head was:

Killing of Wit

But I hope that's not correct unless it's a compilation of stories by everyone who hates him of how they would kill him

Totally agree that Hoid is a Dawnshard! I was wondering where the other three are and thought, well who else was arround when Big A was shattered and thought of Frost. If you look through the Letter you find:

Quote

Old friend, I hope this missive finds you well. Though, as you are now essentially immortal, I would guess that wellness on your part is something of a given. I realize that you are probably still angry. That is pleasant to know. Much as your perpetual health, I have come to rely upon your dissatisfaction with me. It is one of the cosmere's great constants, I should think.

Let me first assure you that the element is quite safe. I have found a good home for it. I protect its safety like I protect my own skin, you might say.  (Emphasis mine)

Could the immortality of Frost be from a Dawnshard as well? Is Rysn being remade into an immortal as well? So many questions!