The next day, Zheng Yichen slapped his arms, having achieved the basics of Vajra Body in just one day and night, even surpassing the preliminary expectations. According to Du Gang's standards, Yichen's Vajra Body was of average level, but with his physique and Performance Coefficient, his average was equivalent to the peak Vajra Body of someone native to the ancient capital, wasn't it?
There wasn't any noticeable physical change, but Lilith did a comparison. Zheng Yichen's skin showed no color change, but while maintaining Vajra Body, Lilith detected a special force field from Zheng Yichen's body, which temporarily affected his physical condition.
The surface of his body transformed into a 'Crystal' state, and the structural arrangement of this crystallized surface even showed minute alterations, similar to a diamond—extremely hard but not at all fragile.
Moreover, this structure was strongest when intact, but once damaged, there was a significant decrease in strength.