The point cap for unlucky is 2x higher relative to the lucky title.
Although I really don't mind grinding (I'm currently running 300 NM chests / day), maxing unlucky requires that one breaks 20k lockpicks. In HM, that's something like picking 25-30k chests if you start from scratch (more if you have several ranks in lucky). >.>
In comparison, lucky only requires that you retain a pick on 10k chests---not that hard, especially in NM.
My suggestion is that you make the two titles equal by removing rank 7 from unlucky and making the cap 250k instead of 500k.
The alternative is to double the cap for lucky, but I doubt too many people would love that. >.>
I'm pretty sure someone is going to flame me for a "stupid" idea, but GG---try running chests. ^.^
S

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