Vibration.
Tiny specks of dirt fell from the dome of the underground den, dusting Xia Nan's fluffy and soft fur.
Beside him, also awakened by the beastly roar coming from outside the den, the wolf cubs whimpered and huddled together, as if this could somehow bring them more safety.
Possessing normal human cognitive abilities, Xia Nan naturally wouldn't be as panicked and helpless as his siblings were. Instead, he maintained basic calmness, contemplating the current situation.
Judging from the low growls of a wolf beast coming from outside the den, and the disappearance of the adult coyotes from the cave.
It was highly likely that a fierce and somewhat aggressive beast had intruded near the underground den.
So, should he continue to stay in the underground den?
The thought had barely arisen in his mind before Xia Nan immediately dismissed it.
On one hand, if the wolf pack really was attacked by some beast, the upcoming conclusion could roughly be one of two outcomes.
