How to Unlock: Achieve at least a B-rank on Mission Level 1-3

Learn how to unlock the Toughness Skill in Resident Evil: The Mercenaries 3D and its effects, including combo timer extension.

Skill Points Needed: 4000 Skill Points for Level 2, 10000 Skill Points for Level 3.

Effects:

• Reduces damage taken by 25%.
• Level 3 Effect: Combo Timer extends upon enemy defeat.