The hefty, mechanical clang the reactor compartment door shutting behind them resonated across the room. Grace’s heart sank as Henry’s mocking laughter filled the comm system. “You’ve come so far,” Henry’s voice drawled, smooth and detached. “But even you two can’t outrun inevitability. The chain reaction has already begun.” Lucas' jaw tightened, and his eyes darted to the control panel. "Henry, if you think locking us here is going to prevent us, you don't know who you're dealing with." "I know exactly who I'm dealing with," Henry responded. "The difference is that I do not care about how smart you believe you are. The outcome is already written.” Grace stepped closer to Lucas, her voice trembling with fury. “You’re a coward, Henry. If you really believed in your twisted cause, you’d

