"Boom," the ground was shaking violently, as if a massive building had collapsed, echoing throughout the sewers' inner space. And it wasn't just once, but twice, with the second being more intense than the first.
"Ouch, that must really hurt." Vivian grimaced but didn't stop running.
"What did you do?" Catherine asked while running and clutching her ribs. The recent explosions hadn't caused her significant harm, but the shock waves had cracked her ribs. Although her professional's constitution would ensure this wouldn't hamper her activities or combat, it was still uncomfortable. But the current circumstances didn't allow Catherine to tend to her wound properly, and she was forced to endure the pain.
"Seeing how passionately it was chasing us, I gave it a little gift," calculated Vivian, grinning mischievously in mid-run and grinding her teeth. "I just layered the ground with ice and added a bit of spiral force. Whether it slips due to its weight or not is not my problem."
