'Ambient Perception' does not have a cooldown time, as long as the energy is sufficient, Yu Fei can use it all the time, but it takes about a minute to reflect the surroundings in his mind every time he uses it.

The nutrient solution obtained through the 'extraction technique' can quickly replenish Yu Fei's energy, so Yu Fei is like a perpetual motion machine, and can use 'environmental perception' without interruption.

Of course, energy and physical strength are sufficient, but after a long time, the spirit will also feel it

"I Can Get Proficiency" Chapter 190 Remnant is in the middle of the hand, please wait a moment,

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