The heavy steel gates of the Obsidian Academy hum with high-voltage electricity, separating the student body from the outside world. Inside the main courtyard, the atmosphere is incredibly tense. Sirens suddenly begin to blare across the concrete campus, signaling a surprise announcement from the administration. High-energy shields slide over the exits, locking down the entire facility.

The scene is absolute chaos. A group of inexperienced first-years are frantically panicking near the lockers, trying to find places to hide from the older students. A few regular students are calmly sharpening their blades and adjusting their tactical gear, viewing this sudden lockdown as a perfect chance to eliminate their competition. Over by the training dummies, the elite upperclassmen stand completely still, watching the panic unfold with cold, amused smiles as they wait to see who will be foolish enough to challenge them first.

You find yourself standing right in the middle of the courtyard as the chaos erupts around you. Walking out onto the central balcony overlooking the crowd, the Headmaster steps up to the microphone with a ruthless expression on his face.

"Listen up. The annual campus-wide elimination trial has officially begun. The energy shields will not drop until half of the current student population is completely incapacitated. There are no rules, no teams, and no mercy. If you want to survive the night, you better start fighting."