ElMonoEstupendo

Correct!

Not Hoid. Not Nightblood. This character is harmless. This character is honest. This character is a mortal man.

Not Nightblood. This character is harmless. This character is honest.

Nice! This character is harmless.

The Lurcher from the (unnamed?) Allomancer pair (twins?) that Suit assigns to Miles. I need to reread Mistborn. Edit: I remember! They were called Push and Pull.

Alright, alright. Waxillium?

Miles.

Paalm.

Vyre. And thanks!

Correct!

Neither Autonomy nor the Dor. Not the Sibling. Not Shallan. Not Sazed. Not Blended. This character is very knowledgeable. This character is broken. This character is plural. This character is singular. This character is worshipped. This character's worshippers allied with Odium.

Not the Sibling. Not Shallan. Not Sazed. Not Blended. This character is very knowledgeable. This character is broken. This character is plural. This character is singular. This character is worshipped.

It is not Shallan. Not Sazed. Not Blended. This character is very knowledgeable. This character is broken. This character is plural. This character was singular.

Not Sazed. Not Blended. This character is very knowledgeable. This character is broken. This character is plural.

Not Blended. This character is very knowledgeable. This character is broken.

Here we go: This character is very knowledgeable.

Then it is certainly Big Suze.

Lightsong.

Lift? She did install an Emperor, after all.

Miles.

Aradel.

Correct! I was worried #1 would narrow it down too much. Turns out there's a lot of god-killers in the cosmere.

Oohoo. Not Patji. Not Koravellium. Not Moash. Not Rayse. Not Vasher. Not the anonymous blasphemer. Not Vin. This character has killed a god. This character mostly keeps to themselves. This character grows things. This character weeps. We've never seen this character, only heard them. Bonus: They have written an epigraph letter, and that's the only time we see their actual words. Bonus #2: Clues #3 and #4 are referring to the same things.

OK, I will tell you this: they have written an epigraph letter, and that's the only time we see their actual words.

Were you expecting a trap? Not Koravellium. Not Moash. Not Rayse. Not Vasher. Not the anonymous blasphemer. Not Vin. This character has killed a god. This character mostly keeps to themselves. This character grows things. This character weeps. We've never seen this character, only heard them.