In this way, the vital qi in Zhan Feng's body was divided into two parts. The first part continued to strengthen the natal sword's vital qi, while the last part was to cultivate the 'Dragon and Tiger Internal Elixir'.
Gradually, as the Natal Sword Spirit in his body grew stronger, a ball of vital qi appeared beside the Natal Sword Spirit of Vitality. It was as if a dragon cloud was rolling within the ball of vital qi. If this continued, the dragon-shaped vital qi would evolve into a dragon-shaped internal core.
There was also a ball of vital qi floating next to the Nirvana Sword Essence, which was full of killing intent, as if there was a fierce tiger whistling in the vital qi.
One year later, the sword essence in Zhan Feng's body had become incredibly powerful, at least several times s
