On the eve of the decisive battle, the two infiltrated Cao Minzhong's private estate. Shen Xitang used magnetic powder developing technique to restore the confidential wax-sealed letter in the study, and the sulfur crystals remaining on the parchment revealed a Beidi wolf-head seal.
Xiao Heng pried open the floor tiles with his steel whip, and twenty Jingtai Dynasty-standard magnetic pith keys lay in the hidden compartment, their tooth marks fitting the canal lock mechanisms perfectly.
"Tomorrow's Grand Court Assembly, I must ask Miss Shen to have the three pieces of evidence ready." Xiao Heng concealed a poison-laced sleeve arrow in his jade belt. "The magnetic chip samples, the material ledgers, and..."
Chapter 71