Certain Meridians give attribute to Ignore Internal Skill Defence.Each internal damage element is reduced by both general Internal Skill Defence (from active internal skill) and specific element resistance (from related meridian and treasures).Internal damage ignores external defense, but can be reduced by Internal Skill Defence (100 internal resistance = 10% internal damage reduction).Gear and treasures can have upgrades to Ignore External Skill Defense.
External damage ignores internal defence, but can be reduced by External Skill Defense (1000 external defense gives around 7% external damage reduction).
