Si Chengcheng instinctively shielded her younger sister from Xiao Yu, who was eyeing them with ill intentions.

Holding a Thunder Explosion Talisman in her hand, Xiao Yu was taken aback, "Disciple? What are you..."

Si Chengcheng looked furious, with her sword finger behind her and the talisman in front, "Who exactly are you? Did you lure us sisters here to make us your cauldron? Old fellow!"

"You're still missing the Yin and Yang energies, but my sister and I, though young, are not three-year-olds!"