and it still means youre an incredibly lucky ... knight. till now.
as random number generators are fairly unbiased (unless its finall fantasy tactics / ffxii), it means to say that you can get 34325 UVs in a row, but are highly unlikely to do so. you just got lucky.

that being said, i havent noticed any random drop in UV production chances. people say its 1/10, for me it seems to be more 1/5 or 1/7 - even if hallf the time i wind up with a faust with undead low, or a snarble barb with slime low UVs.

random is random.

History independant chance.
The coin flipping example is a good one. You have a 50% chance of heads. It doesn't matter how many times you flip the coin: Every single flip has a 50% chance of heads! It doesn't matter that you've gotten 99 tails in a row. The next flip has a 50% chance of being heads regardless.

Randomness is not a nice even spread like statistics make it look. 1 in 100 chance does not mean that if you do it 100 times you'll get 1. It averages out to that over a big enough dataset but true randomness likes to clump up.

Basically: you got luck the first time and unlucky the second time. Add them together and keep adding data until you find a reference point with a low enough error level to be considered a valid point.

Posted this a while ago

http://forums.spiralknights.com/en/node/12484

I have produced 21 brandishes in a row with no UV ;_;

I wanna say over 800 items since my last max or very high, I stopped counting @ 623 and that was a week ago. Whether the rate has decreased or not.. who knows. Rest assured there's more at work than just random chance. The statistical math from node 12484 can't even convince me I'm wrong on this. While I respect the skills and input of Eeks and Giga, there's just no way. I've crafted 20-50 items with no UV or maybe 1 Low, waited 10 minutes and did it again, waited an hour and did it again. That's sure worse than 1:24 chance to get bad results from a spree. It's been my theory for quite some time that some accounts / characters are just consistently lucky and some aren't. The OP even claims to have regularly made 10 UV's in a row with his NON-UV rate being the same as others UV rates for a while.. I've met others with similar luck.

While people will argue I'm merely defining a RNG and have nothing to complain about, I feel there needs to be something in the background to reward effort. If a noob crafts a shadow max wolver coat on his 3rd craft thats awesome I ain't hatin'. One less person complaining about CE prices if they are smart enough to sell it. On the other end of that spectrum is the veteran (me or otherwise) who's invested a great deal into crafting with little to show, that's bs. e.g. on top of the low % chance to craft something nice, have a flag that once every 500 items you're guaranteed something nice if one has yet to occur. Something like that implemented would at least make players feel their efforts aren't wasted.

@OP: you were lucky for a while.. now you aren't. It seems to roll that way unfortunately.

When crafting an item, there is a low probability that you may get a randomized unique variant, a special version of that item with an added bonus. Unique variants seems to occur approximately 10% of the time while crafting. You cannot choose the unique variant you obtain; however, variants can be transferred when that item is upgraded. "Unique variant" is commonly abbreviated as UV.
These bonuses appear apart from, and are not affected by, other bonuses that come with the original item.

http://wiki.spiralknights.com/Unique_variant

Everyone is aware of this right? Lot's of information on the wiki is factually wrong or blatant speculation or out of date or all three. If you post a link to the wiki it is not thread ending. The information there does not come from three rings and is subject to debate... hence the debate on this matter.