Lengthens Weakness duration on foes by 33% (Stacking)
— in-game description
Heavy is a weapon upgrade that lengthens the duration of the Weakness condition that you inflict upon your foes and yourself by 33%. This affects Weakness inflicted by any skill, not just from attack skills, as long as the weapon is equipped when the skill is inflicted.
Upgrade components which provide this bonus
Despite the in-game description, this upgrade will also increase the duration of any self-inflicted Weakness (i.e. from Wearying Spear
- There is no unique one-handed weapon that provides the heavy bonus.