C559 Sulphuric Acid

"Are you alright?" Yun'er asked, covering her mouth as she gazed at the still-smoldering flames on Steel Mask's shoulder.

"He's fine!" Zhou Pu declared, patting out the last ember with his hand. His eyes scanned the room for the assailant but found no trace. Instead, in the corner, he stumbled upon a shattered phone hidden behind a brick.

Upon picking it up