About half an hour later, the group clearly felt the rumbling sound of thunder ahead.
The sound grew louder and louder, as if a thousand horses were galloping, making one feel deeply shocked just by hearing it.
Looking ahead, there was an extremely huge mountain range, entirely surrounded by countless thousand-year-old Thunder Wood trees.
Each tree had densely packed Thunder Runes engraved on its trunk, making them extraordinary.
Looking up at the sky, they saw dark clouds covering the sky, with bolts of thunder tearing through the sky like silver serpents, fiercely striking down at the mountain range below.
Every bolt of thunder came with dazzling light and deafening roars, making for a magnificent scene.
Before they could truly approach, Zhou Qing could already clearly feel the Spiritual Qi around them becoming incredibly violent.
However, due to cultivating the "Thunder Sword Skills" and the Thunder-shaped Sword Embryo in his Dantian, he quickly adapted.
