Corrosive Rain

The expert ran the calculations on the spot. "This area can only withstand miniature grenades and small explosive charges. Anything stronger could bring the entire cavern down."

"Then what else can we do?" Everyone looked discouraged.

Harper suddenly asked, "Do you think this two-headed snake mutated because of the tomb or because of the acid rain?"

Everyone paused. "What's the difference?"

"A hug