The sub oscillated violently as the shockwaves echoed against the submerged volcanic walls. Emergency lights flickered crimson across the control console.
“We have three minutes before the pressure seal ruptures!” Aris shouted over the blaring klaxons.
Clara locked the mechanical claw around the brass relic embedded within the flagship’s command deck. With a sharp twist of the hydraulic lever, the relic dislodged, sending a burst of bioluminescent bubbles swirling into the abyss.
“Pipes engaged! Thrusters at full power!” Clara commanded, pulling the ascent joystick as the trench wall collapsed behind them.