This isn't a major bug, but I wanted to address it somewhere. I play a Sage and Corruption character (Both mirror combat styles on the same character) with mainly the seer/corruption specialty. I noticed that one of the traits in the skill tree "Corrupted Bastion" in the corruption specialty at level 39, has something weird that occurs compared to its mirrored counterpart on the seer specialty (Resurging power). In the seer specialty, once the specified healing ability is used (increasing its healing), the "Resurging power" perk disappears, but in the corruption specialty, the same mirrored perk does not disappear after using the specified healing ability. I'm not sure if it is supposed to disappear once the healing ability is used, but it is different among the mirror classes. When I play the corruption specialty, I can spam the specified healing ability over and over again for its increased healing, but in the seer specialty, I can't spam it because the perk goes away after I use a single specified healing ability. This is a glitch/bug but I'm not sure what it's supposed to be reverted to.