After dealing with the Golden Toad in a single move, Chen Lin felt slightly relieved.
Although he had already tested the power of Black Tiger Steals Heart, he had still felt some apprehension. After all, his opponent was a Gold Guardian.
Now it seemed that a high-dimensional cultivation technique truly was extraordinary.
With this move, he had genuinely joined the ranks of Eternal Experts. Even an ordinary Eternal Expert would not be able to withstand this blow.
Yet Chen Lin did not let it go to his head.
Powerful though Black Tiger Steals Heart was, he could not use it whenever he pleased. Even with his internal energy at full capacity, he could only launch two all-out attacks.
That was because internal energy was extremely difficult to replenish, whether in the Inner World or the Outer World.
Lower realms could not replenish high-dimensional energy.
Of course.
It was not entirely without a solution.
After repeated experiments, Chen Lin discovered that his internal energy could slowly recover inside the Grotto-Heaven Jade Pendant. However, the efficiency was extremely low, nowhere near comparable to the Feather Pen scenario.
In the Feather Pen scenario, he could quickly replenish his internal energy after exhausting it. Inside the Life Letter's space, he could even maintain an endless supply.
The Grandmasters there would not run short of internal energy even if they manifested it externally for an entire day.
Even so.
Having a solution was always better than having none.
Moreover, Chen Lin had made another discovery: eating Muddled Fruit could also restore internal energy.
The effect was exceptionally good.
A single fruit could essentially refill his depleted internal energy, and refining it took a little under an hour.
That finally gave him some confidence.
With the Muddled Fruit Tree, this cultivation technique of his finally had