digitalbusker quoted Tress of the Emerald Sea by Brandon Sanderson (Secret Projects, #1)
The only life Tress has known on her island home in an emerald-green ocean has …
Content warning Spoilers for Mistborn era 1.
That stupid shapeshifter was enjoying this. I swear, they've all been getting weirder ever since Sazed released them.
— Tress of the Emerald Sea by Brandon Sanderson (Secret Projects, #1) (64%)
Nice to have confirmation that Ulaam is a kandra. Also, I forget whether we know how far in the Cosmere future this story is, but I know it's a ways, and I expect this tidbit about Sazed will turn out to be foreshadowing something, someday.