Once you pierce through a single dragon scale, the rest becomes much easier; you simply need to follow the same approach and repeat the process.
With the combined assistance of the Myriad Tribulations Fishing Rod and Immortal Emperor Zhetian, the Tribulation-Breaking Nail in the hand of the Immortal-Dao Puppet continuously drove fiercely into the body of the immortal dragon.
Piece by piece, the dragon scales were steadily breached. After a full few dozen minutes, the dragon scales across the immortal dragon's body were completely shattered, and fresh blood dyed its entire body crimson.
Chapter 553