The vault door hissed open, revealing a small, floating obsidian cube. The Second Card.
As Kaito reached for it, the lights turned blood-red.
"Did you really think it would be that easy, Architect?"
A voice boomed through the speakers. The floor began to shift, and four elite 'Shadow Sentinels' materialized from the walls.
"Rin, get behind me," Kaito growled, drawing his glowing blade. "It's time for a rewrite."
[ALERT: COMBAT MODE ENGAGED. NO ESCAPE DETECTED.]