Note that even if you add in new skills, that does not mean that the ability bonuses must be removed from items. The existence of a skill or two associated does not automatically make those abilities worth full investment.
Leadership 2 - "Martyr" - Remove all negative status effects from an ally and apply them to yourself (remaining duration is passed along as well).
Leadership 4/5 - "Empower" - Share all positive status effects on yourself with all allies within 10 meters (remaining duration is passed along as well).
Blacksmithing 3 - "Armor Break" - Lowers the armor of a targeted enemy by 33% for 4 turns. Cooldown 7 turns.
Locksmithing 3 - "Disable Trap" - Lets you use your lockpicking skill to disable traps without consuming a trap disarm kit.
