On the other hand implementing this means 1 less reason to chill in town. 
Choices choicesâŚ
I agree entirely, my thoughts were rather similar.
Regarding the attribute exp, it wonât really be another thing to grind in a discrete sense as it would passively increase whilst playing normally. That said, I wouldnât tie it to a new exp bar, Iâd just tie its progress to
Rather than having scrolls, I would prefer a new equipment slot for incomplete attribute cards - whatever you have equipped is trained, once someone has equipped it, itâs soul bound, and you can swap it out to train something else if you want. Once it reaches 100% it is consumed and you gain the attribute.
In doing this thereâs also opportunity for high level drops to include exclusive attributes/top-level attributes.