Although his rule of Moria came to a well-deserved end, the cruel banners of Mazog are now flown by the Shapag-hai in the Gladden Fields.
As you press deeper into Lúlstrok, you notice that the banners flown by the Shapag-hai bear a striking resemblance to those once flown by Mazog and his Pûlpum in Moria. If the legacies of Mazog and his cruel forebears, Bolg and Azog, are ever to be ended, the banners of the Shapag-hai must be burned.
Banners of vengeance can be found at Lúlstrok in the north-western reaches of the Gladden Fields.
You have discovered the cruel banners of Mazog being flown by the Shapag-hai. You should burn them.
You have burned many of the cruel banners flown in Mazog's name by the Shapag-hai.