C110 A Rapidly Growing Seven Black Egg

"Wow, it's about the size of a ping pong ball."

Lin Kong focused his attention on the inside of the Seven Black Egg in his backpack, and found that the black ball inside had already grown from the size of a fingernail to the size of a pong ball.

And the number of times he could use the skill, Seven Black Frost, had already reached four times.

However