While killing and replenishing mana at the same time, isn't this just like a power bank!

Especially during group battles, the Nine-Kill Sword's effect is simply heaven-defying.

However, I didn't notice this function when I used the Nine-Kill Sword before. I don't know if it's because the function gradually increases as the restrictions are lifted, or if it requires holding it while killing to trigger. I'll have to study it carefully later.

After surveying the surroundings to ensure no one else was around, Gu Liangyuan took out the Supreme Card given by Zhao Chi.