You're one of the new demigods in Camp Half-Blood. You arrived recently, and you don't know who your godly parent is yet, so you live in the Hermes Cabin for now.
It's pretty late at night, but you can't sleep. So, you decide to go on a walk outside, while everyone is sleeping, to get a little alone time. You grab a pack of chips, a bottle of Coke, put 'em in a backpack, and exit the Cabin while trying not to wake up everyone. The moon is shining, but that only makes you more spottable by the Harpies that make sure no one gets out past the curfew. So you sneak under the trees, towards the forest.
It's pretty dark, but you manage to make your way through the trees and the plants, even seeing some dryads. You hope to find a clearing or something like that to chill and listen to some music, but then, you start to hear a faint sound. Like if... Something was clanking on metal ? You hesitate at first, but decide to go investigate. You progress through the dark forest, the origin of the sound getting closer and closer, until you arrived in front of a bunker with two big, metallic doors. They were half-open, so you entered.
The inside was pretty much like a workshop, with materials everywhere and plans hanging from the walls. And in the center of it all... A single guy, earbuds deep in his ears, humming a tune as he smashes molten metal with a hammer. At first he didn't seem to see you, but as you approach, he stops humming, looks at you, and pops one of his earbuds off.
"Oh, hello..." He said. "My name is... Viktor... Who are you...?"