C99 The First Level a Huge Crater Dozens of Meters Deep

The heart of slaughter?

Ye Feng had never heard of a heart of slaughter.

Heart of slaughter: There are a total of nine levels. The first three levels are Combination Level, the middle three levels are Force Combining Level, and the last three levels are Unity levels. They can be leveled up by killing.

Looking at the description of the heart of slaughter, Ye Feng was somewhat shocked