Materia Transmutation Achievement?

So I'm guessing once again SE was vague with their description? It says "Obtain materia of a higher grade through transmutation." I have traded all tier I and gotten a II traded in II's and gotten a III etc. so far I have yet to see the achievement unlock is there something I'm missing or doing wrong here?

Anyone have any idea?

Not really. I got it pretty quickly, but I don't remember what grade I was converting at the time. It was probably piles of IIs, but I just can't say for certain.

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Originally Posted by Wobble

So I'm guessing once again SE was vague with their description? It says "Obtain materia of a higher grade through transmutation." I have traded all tier I and gotten a II traded in II's and gotten a III etc. so far I have yet to see the achievement unlock is there something I'm missing or doing wrong here?

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I believe I unlocked that when I traded in all Tier III and got a Tier IV.

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Originally Posted by Giantbane

I believe I unlocked that when I traded in all Tier III and got a Tier IV.

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This, I can confirm my buddy of mine got it from that. You will also get a cutscene :P

They need to fix the description if it's tier III to tier IV.