Rogue Wizards

Rogue Wizards

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Gear 'Sets', and Ability gains on level-up
There are many 'set' types that are determined by their primary or combined abilities. What I'd like to know is if, by wearing more gear items named for luck (Lucky, Fortuitous, etc.) will the experience points gained by the combined items be greater and therefore the items will level up faster?

Also, are the abilities gained by items completely randomized, or are they affected at all by the sort of abilities found on items that you have equipped; in other words, if you have a 'scholarly' XP-boosting ability on one item, is another item more likely to gain that ability?