How should I interpret this? Is it that amount extra damage/duration/effects? Is it that amount less XP needed? How does it work with the other skills? Thanks in advance!
I think it's the amount of xp. You could look before/after to see. The reason I think so is that I had magic skills with the same learning bonus but the one with the heraldry cost lower. It makes sense too, because I think it would be easier to make the table or whatever adapt to xp rather than effect. Like it's easier to make magic cost less xp than have a table that affects spells. I think % speed in acrobat is an effect rather than reduce cost to agility/dexterity or what not.