The spirit sword transformed into a streak of lightning, carrying boundless sharpness as it killed the black-clad middle-aged man in an instant.
A first-tier King-grade demonic beast was far too weak compared to Su Mo. It was not even capable of withstanding a single move from him.
Ah!
The black-clad middle-aged man let out a miserable scream before his body fell into the forest below, his corpse reverting to a massive demon panther.
Whoosh!
Su Mo descended, then immediately stored the spirit sword back into his sea of consciousness.
A spirit sword needed long-term nurturing with Spiritual Power for its might to grow ever stronger. Thus, Su Mo had always kept the spirit sword within his sea of consciousness.
In other words, the stronger the Spiritual Power and the longer it was nurtured, the greater the spirit sword's power.
Looking at the demon panther's corpse before him, Su Mo immediately began devouring it. The blood qi and demonic power within the panther turned into surging waves and flowed into Su Mo's body.
Su Mo refined them with all his strength, and before long, he had completely refined all the blood qi and demonic power.
"No, this won't last long enough!"
Su Mo muttered to himself. To break through to the second level of the Martial King Realm required an unceasing supply of spiritual qi. With his current stop-and-start method, success was impossible.
After pondering briefly, Su Mo came up with an idea.
He planned to hunt demonic beasts and collect Demonic Cores. Once he had enough Demonic Cores, they could support him in breaking through his cultivation in one decisive push.
Then, Su Mo moved through the forest without pause, hunting demonic beasts one after another and digging out their Demonic Cores.
There were not many King-grade demonic beasts in