A dull, thunderous vibration erupted from beneath the naval port, and the base of the cast-iron tower split open, revealing a yawning abyss. Twelve bronze water-dragons rose from the fissure, spewing not fresh water, but a black fuel mixed with sulfur crystals.
Shen Xitang whirled, casting out silver needles. The trail of fire ignited by their tips raced along the path of the oil toward the turtle ships, transforming twenty bed crossbows into pillars of fire reaching toward the heavens.
"This fuel formula..." Xiao Heng’s sword scabbard suddenly clamped onto a flying fragment of bronze. "It comes from the secret, proprietary techniques of the Shen Family Ironworks."
Chapter 78