ตอน 212: 212: Master Teacher Val! (2)

GWOOOOO!

With a roar that echoed in the vast coliseum, the level 50 Mountain Troll released a torrent of shockwaves. These waves, visible to the naked eye, sped toward Val, intending to crush him.

Caught off guard, nearly everyone in the spectator area were shaken by its thunderous roar, their ears ringing continuously as if they were struck on their heads by a hammer. 

However, for the one closest to it, only he remained unaffected by the troll's mighty roar as he had used his soul power to form invisible earbuds, which he plugged into his ears the instant the troll had opened its mouth to release the roar.

The earbuds created using soul power canceled all outside noise, protecting his motor nerve from being paralyzed by the troll's roar. 

As a result, he was not stunned.