Well I see replies recommending you brew something else, and I see reasons why you should not do it, and I see a few negatives - All the normal stuff! How about a great big reason TO BUILD THIS BEER:
Because you want to.
There, that part of the discussion is closed, cause THAT is the only reason you need to brew something. (And well your at it give it a catchy new name and create your own new style and category just to offend the style police who like to pigeon hole every brew into a proper category!)
Beyond that: I would +1 the idea of building a smaller simpler beer first, THEN pitching the big beer right on to the left over yeast cake. This will give you a healthy start to the ferment! I would also add a percentage of plain ole sugar of some sort at the end of the boil, to help dry things out a bit and to potentially speed up the ferment a tad.
NEVER let others derail your ideas or ambitions - Build it and see; that is how good things happen. Sure you might get a dud - but you also might get a gem. Without trying we would all be drinking something like Sahti still.
As for the obligatory highjack: I recently built a nice little cream ale with honey for an adjunct. Here was that nice yeast cake of Denny's Favorite just begging to be used for something. I thought, Germans have Maibock, Belgians have Golden Strong Ale, why can't we have an American higher ABV, moderate hop character overly fizzy Golden beer too! So I made a sort of 9.1% ABV cream Ale with American Barley, corn, sugar and hops - Then bottle finished to up in the 3.5 to 4 volume range, (Belgian bottles - but they were American made!) Got guff over it when i mentioned it at a visit to a friends brew club - I was told that is just a barley wine, but way to fizzy. Someone else called it gross old fashioned malt liquor. One guy freaked out for 20 minutes because it was not to "Cream Ale Style". I am calling it American Golden Cream Strong. Don't know yet if it is good bad or otherwise - it is still growing bubbles in the corner - I will opine after dry January. I figure worst case it will have that really cool cotton candy head like Duvel can have and the twenty-somethings will swill it down during the Super Bowl because it is free.
SO just make your high octane murky beer and have fun doing it!