Role aptitudes
Ballistic Skill, Defence, Offence, Strength, Weapon Skill
Role talent
Iron Jaw or Rapid Reload
Role bonus
Expert at Violence: In addition to the normal uses of Fate points (see page 293), after making a successful attack test, but before determining hits, a Warrior character may spend a Fate point to substitute his Weapon Skill (for melee) or Ballistic Skill (for ranged) bonus for the degrees of success scored on the attack test.
Ignis Aeternus WH 40K campaign notes 