Gradual Reduction in MF Effectiveness

[LiquidDamage]

However, I did notice that magical only drops seem to appear more when the lowest TCs items drops. This point is probably due to a psychological issue as mentionned earlier in this thread.
But, it appears that almost  50% of the time (on a basis of the last 30 hell baal kills) I get  some magical only items.
I did believe that the "first kill drop" should have applied every time. The character has not claimed the quest. It should be rares at the minimum.

How can you explained the fact to get blue stuff instead of yellow ones?

They are failed sets, if that same bug works on Baal (I didn't think it did, does it?).

Check all your magic items that drop from him, and if they drop with double durability, then they are failed sets. These should then be considered "good" drops, even though they suck, in terms of testing out your MF.

If you do these runs with someone with 0 magic find, and find that every magic item that has durability, has double durability, then Baal is indeed doing his quest drop.

It is possible, btw, that the lowest TC has a higher number of items that cannot spawn as set in them. This would explain the pattern you think you are seeing. It also could be psychological or just "bad" randomness.