概率方差D(X)公式简介：This group of cultists specializes in capturing dragons to feed the giant Kun. They must have been eyeing this pure-blood dragon, and they didn't expect a dragon cub to burst out with such powerful power.
This group of cultists specializes in capturing dragons to feed the giant Kun. They must have been eyeing this pure-blood dragon, and they didn't expect a dragon cub to burst out with such powerful power.
