Vyre's Knife

[Vanillaice]

Vyre used the knife to kill Jezrien and Jezrien flipped out. But he wasn't even a human he was more like a spren. So was the material of the blade Odiumite? I mean Harmony, Trell, Ati, and Leras all had God metals. Why not Odium? And if so is Honors metal the metal that shardblades and the oathgate are made out of. And do we know anything about Cultivation's metal? These are questions that have been running through my mind lately.

[Commander Azure]

Well we now know that Raysium isn't Trellium

[LifeBeforeDeath]

On 5/10/2019 at 5:48 PM, Weltall said:

It's not actually hemalurgy; Brandon says that the fundamentals are similar and some Cosmere philosophers would say they're the same thing but he wouldn't.

Anyways, we know that the Heralds have powers not connected to the Honorblades (they could all sense each other even without their blades) so there were permanent changes to their spiritwebs that the knife could have targeted. Considering that a Cognitive Shadow only exists because of Investiture, targeting that is a pretty good way to kill one. Whether all the changes that Honor made to the Heralds' souls come as one package that the knife could target or there were discrete changes (like the resurrective immortality ability being one, the 'sense others/share pain' talent being separate etc) we don't know right now, but we have a rough parallel in the Nightwatcher's boon/curse which we know normally would be stolen as a package but you could steal separately, so I imagine the Heralds' powers could be targeted separately if you had all the required knowledge and an appropriate metal. So whatever exactly the knife did, it could have targeted the mass of Honor-flavored Investiture that made Jezrien a Cognitive Shadow or it could have targeted only the bit that causes him to resurrect.

As for what Odium's godmetal would do in proper hemalurgy...good question. Since atium, lerasium and 'trellium' can all steal different things, it's likely that other godmetals would function similarly in the Metallic Arts.

So what CAN they do?

[Karger]

1 hour ago, Weltall said:

Rays(e)ium

You generically drop the e in English when compounding words like this. 

 

We know next to nothing about that knife scene or what it means but good theory.