Allomancers and Lerasium

[The Grumpy Elantrian]

So we know that when a regular person burns lerasium their connection with Preservation is increased drastically and they become a mistborn. However is this the same effect we'd expect to see if an allomancer were to burn lerasium?

Presumabely a misting would become a powerful mistborn, or would they instead just become a very powerful misting? This seems unlikely as we know that the difference between becoming a misting or a mistborn is in the strength of your bloodline and thus your connection to preservation. So presumably when their connection to preservation increases they too would become a mistborn. 

However, what about a mistborn? Would they become a stronger mistborn? Stronger than a regular lerasium mistborn since they already have the basis for their power? Or would they, since they can already burn all metals, be able to experience another effect whih is the true power of lerasium and the connection to preservation is simply a side effect?

I welcome your thoughts on the matter.  

[Calderis]

It's a side effect. Lerasium has an actual allomantic effect that is unknown, but burning it would still increase the connection and allomantic strength of the one burning it. 

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Shardlet

If Vin and Elend hypothetically each blindly ingested equivalently sized beads of lerasium, would Vin be a stronger Mistborn than Elend, or would they be equal?

Brandon Sanderson

Yes, Vin would be stronger. It is additive, not just an overwrite.

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Brandon Sanderson

Chapter Thirty-Eight

Preservation's Power

All right, so maybe I lied about there only being three magic systems in this book. It comes down to how you term the powers of Preservation and Ruin, who kind of blanket the entire system. There are a lot of things going on here, and—well, the truth is I don't want to mention all of them, for fear of spoiling future books. However, I'll give you a few rules to apply.

First, to these forces, energy and mass are the same thing. So, their power can take physical shape—as Preservation's did in the bead of metal Elend ate. Second, there is a bit of Preservation inside of all the people—and it's this that allows the people to perform Allomancy. It needs to be awakened and stirred to be of use, but when it is, a proper metal can draw forth more of Preservation's power. It's like the metal attunes the bit within the person, allowing it to act as a catalyst to grab more power.

Allomancy is not fueled by metal; it is fueled by Preservation. The metal is the means by which a person can access that fuel, however. If there were another way to access it, then the metal wouldn't be needed.

Preservation's touch on people differs. Some have more, some have less. This doesn't make them better or worse people—indeed, some most touched by Preservation have been among the worst people in the world. As Ruin later points out, there is a difference between being evil and being destructive.

Regardless, if a person can get more Preservation into them, they become better Allomancers. Hence Elend becoming a Mistborn. Like all people, he had the potential within him—it was just too small of a potential to be awakened through normal means. That little jolt of Preservation's body, however, expanded and awakened his Allomancy.

As a tidbit, that was a side effect of what that bead of metal did. It wasn't the main purpose of the bead, and if another Allomancer were to burn it, it would do something else.

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[Embrisk]

Thankyou so much for this simple explanation.