Although the power of the rock instantly repaired Long Yi's lost fingers, so much so that he could hardly feel any pain, the abrupt explosion still gave him quite a fright.
"That's it... when you, who have the power of the Black Rock, come into contact with us, who possess the power of the White Rock, the two powers collide and cause an explosion."
Old Stone Fist explained.
Long ago, the Black Rock Tribe and the White Rock Tribe were not aware of each other's existence until they were discovered by travelers. The members of these two tribes were mirror images of each other, in terms of both appearance and temperament. People were born and died simultaneously between these two tribes, which was utterly magical.