Jian Dan simply opened the Demon Moon Slash umbrella, formed hand seals to make it hover above her head for defense, and quickly began making preparations.
At this point, the Demon Moon Slash had transformed back into a forty-centimeter crescent blade, automatically protecting its master and chopping any approaching Black-Armored Insects into fine pieces.
Jian Dan drove a primary explosive talisman into each passage, aiming the talismans as deep into the caves as possible. She spun her spiritual energy into threads, formed a seal to bind them together, and clutched them in her hand. Next, she embedded a one-use magical artifact at the entrance of each tunnel where the Black-Armored Insects were flying in, leaving her temporary spiritual sense imprint upon them.
Chapter 161