Board Thread:Questions and Answers/@comment-185.45.70.199-20171011235843/@comment-31873381-20171013131008

I always figured that Archer encountered them during his time as a counter guardian. He makes it pretty clear that he can remember all of the missions he went on for Alaya, and from what I gathered, Alaya sent him to different places and eras. He also could have swiped a good number from Gilgamesh.