User blog comment:MrSolomon/Solomon's Tale Act 4; Return of the Enforcers/@comment-2037710-20141206203652/@comment-10534118-20141206211101

Some are stronger than others. The one who broke out Akame is one of the stronger ones. Also, like Shirome's Cirque Du Croix, these zombies are meant to be stronger than the originals.

Chapter 3 is gonna reveal more on who these "Solomons" are.