Surprise.

That was the only thing that Illyasviel could have felt at that moment as she gazed at Berserker's form. A mere glance alone would decidedly tell that this was not Heracles, the Greatest Hero of Ancient Greece.

The figure was clad in a black tricorn, a gray duster coat, brown leather boots, as well as a pair of black gauntlets with golden ornaments. A reddish bandanna covered his face, making it hard to tell what his facial features were. Overall, he appeared to be from the Victorian era.

If the clothes he wore weren't enough of a give-away then his weapons clearly were. While Illyasviel was not an expert on modern weaponry, it was very obvious that Berserker was holding a gun. A gun. Just looking at it made her hopes on the Servant being strong dim. Servants from the modern age were quite weak after all as their Mystery was pathetic. Though the other weapon didn't look that modern it was weird, it looked as if a cleaver and a saw was mashed together. It didn't really seem all that great though.

The Servant didn't say anything and just stood still, looking straight at her. Illyasviel didn't bother asking him any questions as Berserkers couldn't speak, and thus simply walked out of the room to meet her grandfather.

When Illyasviel had approached her grandfather, he was greatly displeased. Calling it displeased was understating it, he was angry. He was shouting and complaining about how she messed up the summoning and that it was completely her fault, saying the catalyst was perfect. He then complained that the Einzberns were going to lose the War now and that it was completely Illya's fault because she summoned such a weak Servant.

Illya didn't disagree with grandfather, though it was only fortunate that Illyasviel didn't verbally voice this out. As in the very next second, Berserker pointed his gun at her grandfather and shot him in the head.

The old magus collapsed with a thud, gray matter and blood leaking out of his torn up skull.

Illya could only gape at her Servant. It seems that Berserker unexpectedly took offence to his implied insults, and decided that he had quite enough.

I thought he had madness enhancement? How could he even understand what grandfather said?

Illyasviel's thoughts were not heard by Berserker as he then proceeded to start butchering the Einzbern servants in the manor with maniacal laughter, murdering them by the dozen as they charged at him for killing the head Einzbern.

Illyasviel was so dumbfounded by the turn of events that she barely even thought about how Berserker had easily massacred the battle Homunculi, who were supposed to be on par with Servants strength-wise.

As she watched in shock, Berserker's maniacal laughter echoed across the castle, blood staining the entire room red, as the Homunculi had been dismembered and ripped to shreds.

The Hunter of Yharnam was annoyed.

Before he was surprised, after all he hadn't expected to be summoned in another world in some weird ritual. The Grail had given him information about the details, and he was understandably both miffed and expectant. While the idea of being able to hunt and slaughter more prey was awesome, He had literally just been done with slaughtering his own band of enemies when he was interrupted by being summoned. Just after he was transforming to a Great One at that. He had been changed to his human self, but he could still transform at any time. That at least made him a bit less annoyed.

"Look! This Servant doesn't even remotely seem strong at all! Instead of the Legendary Hero of Greece, you summoned a pathetic Servant from the 18th Century! I wouldn't even be surprised if this was Assassin rather than Berserker!" The old bastard was complaining about him. It really pissed him off how the old ugly stink immediately starting assuming he was weak.

Let's see who's weak now after I paint the floor with your blood.

Berserker aimed his Blunderbuss at the stink and shot him in the head, he had already stopped caring about how his summoner might react after the third time he called him weak. It wasn't the first time he had killed an elderly nor would it be the last. At least Gerhman put up a fight rather than barked at him.

Berserker reminisced about that specific fight with some small humor as he dismembered the Homunculi with his saw cleaver. The old hunter really thought he wanted to free him of the dream, or some retarded shit. Really he just wanted to rip his head off for shits and giggles. It wasn't very funny after the tenth time he got killed by him though, it was frustrating and he almost started regretting his decision to kill the old fool. He wasn't a weak casual so he fought til the end until Gerhman died. He easily slaughtered the Great One after that. It got slaughtered by him with ease to the point he felt it was kinda lame.

The rest was obvious.

Berserker pulled viscera out of the last Homunculus as he looked at the room, relishing the gore. The child who summoned him didn't appear to want to stop him as she would have used a command spell otherwise, so he was at least fortunate that he could participate in the Grail War still.

He was really looking forward to ripping the innards of his future prey.