Ace was still oblivious of the consequence of unknowingly destroying the gray boulder or former Ghost Sword Monolith.
He was busy fuming because the system refused to release his hard-earned reward of level-1 authority and keep telling him to complete his mission first.
In the end, Ace was helpless when the system negated the answer, and he bitterly accepted the 'verdict'.
Now that he was done with breaking through and system matter, he finally pays attention to his surroundings and was astonished because once the emerald liquid filled the bottom of the volcano was now crystal clear like ordinary water. Only the remains of the orb guardian were floating around, which also somehow turned into white stones.