"First-order Optical Array Recorder."
Zhou Xiuyun pointed to the machine, which was almost the size of a room, and said, "It's one of the milestones of the Xianmen Sect's Immortal Dao Industry, capable of engraving first-order formations to the precision of silk meter level (one ten-thousandth of a meter) with mortal hands."
"The machine is divided into four parts: energy storage component, transformation component, engraving component, and gold pool component."