"As the heavy door slides open, a compromised ceiling panel breaks loose, hurtling directly toward Marabella's head."
The screech of tearing metal echoed off the reinforced concrete walls, sharp enough to pierce through the roaring sirens.
Inside the narrow corridor, time seemed to slow down as the massive steel plate twisted free from its mounting frame.
"Watch out!" the security commander screamed, his hand freezing over his unholstered sidearm as he scrambled backward.
The heavy plate fell diagonally, catching the dim emergency light as it plunged downward like a guillotine.
Marabella stood frozen near the threshold of Research Vault 02, her eyes wide with sudden realization as the shadow swept over her face.
"Get back, Executive Director!" Arsenio yelled, his voice cracking
