Agreed.
I've heard somepeople suggest that Allomancy was born from TLR during or shortly after his ascention. I don't know if I follow this thinking. I feel that both Ruin and Preservation are tied to a power, Ruin and Hermology, and Preservation and Allomancy. Now this is SPECULATION but Ruin can obviously use hermology right. I have for some reason tied the mist spirit to Preservation seeing how it attempted to stop Vin from releasing Ruin. The spirit has some sort of Allomancy so I assume Preservation has something to do with allomancy as well.
If any of this happens to turn out to be true then I feel its safe to say that Allomancy found its roots before TLR and perhaps it was from a previous HoA if there even were any or perhaps it was born of Preservation it self.
Though you may be on to something, you left it to open and with too many options. If indeed allomancy arrived after TLR, then it can't be apart of the Mist spirit. Given that we know that the mist spirit prior to TLR's ascension.
So your thought of It coming from another, past, HOA makes more sense.
P.S. If you look at the past few posts between Andrew and I, you will see that we both were exchanging the same sort of criticism. I Don't do it to other random people such as yourself. I'm sorry you were so deeply hurt. I suggestion analyse the situation before outing yourself. SPECULATION without an analytic basis is just assumption. Anyone who has been the victom of anothers ASSUMPTION has the right to be angry. I pass that right. Lets just stick to the Thread.
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I, myself, thought this question was answered? I thought that the metal that Vin fed to Elend is the explanation of Allomancy. However, if the question is who was the first Allomancer? I'd have to say...TLR. He found it at the WOA back when he first arrived, a thousand years back. I don't think it was one of his creations.
He gave the power of Allomancy to the nobles right, thats the belief. hmm. That gives me an idea.
Alendi, insecure and afraid as he was, decides to, after intensive presuation and insistence of Rashek, to let Rashek obtain the power at the WOA. The mist spirit stabs Alendi, So Rashek, gives him the Mysterious tablet, therebye saving his life and making him the first MB.
So, that too. Either TLR or Alendi (only because that would explain why he gave the powers to another people.)