I wasn't sure if I should put this under the bugs forum or under suggestions... If I take sword skills, the bonuses granted by that skill tree only apply to my character if I actually wield a sword. Furthermore, if I wield 2 swords (via dual-wielding) I get the bonuses twice! This is awesome. However, the bonuses granted by the Shield Bearer skill tree do NOT require that I actually hold a shield. In fact, I can be dual-wielding swords and still get all the bonuses of Shield Bearer - even the defensive bash attack. I would much prefer if Shield Bearer skills worked like weapon skills - if they required a shield, and could be double-stacked.