Even if one had sufficient strength, they would also need enough courage. Besides, if someone launched an attack from the peak, even strong individuals at level 60 or 70 might not be able to ascend as they wished. This could definitely be considered a natural barrier.
The other two men in grey also leapt up, not as arrogant as their leader, borrowing strength only once every twenty meters, following the standard of once every ten meters, they rapidly pursued.
Tang San also did not reveal himself, always following behind the two men in grey, also using ten meters as his distance for borrowing strength, effortlessly climbing upward.
Soon, the lead man in grey had reached the summit, turning his head to look down the mountain. Seeing Tang San following behind, there was a hint of appreciation in his eyes. After all three had reached the top, they set off again. Throughout the process, he did not say a word to Tang San.