"Is it the enemy?" "It is... but they are not Servants." As Archer pointed out, what stood before Berserker was the Yggdmillennia vanguard: combat homunculi and massive bronze golems that towered over Berserker. There were over a hundred. "Should we help him?" Rider suggested, sounding rather deflated. They were not facing Servants, after all; what was there to help with? Instead, the two Servants chose to observe. The battle between the vanguard of Black and the Berserker of Red was completely one-sided. - Vol 1 Chapter 4