Warriors of Stone

Not to be confused with Stone Warriors.

Warriors of Stone is a Ninjago book that was released in 2013. The sixth volume of the Ninjago graphic novel series, it does not correspond with the plot of LEGO Ninjago: Masters of Spinjitzu.

Description
''A new enemy rises and the battle is joined! When the evil Lord Garmadon unleashes an army of stone warriors on the world of Ninjago, the ninja find that not even they can stop this new menace!''