You can unlock Combine Warrior RG3 using the RGIII set which requires his Combine Invitation player item and 4 gold badges .
His Combine Invitation player item is all 5 of his Combine Warrior collectibles .
You can unlock Combine Warrior RG3 using the RGIII set which requires his Combine Invitation player item , all 5 of his Combine Warrior collectibles , and 4 gold badges .