Cassia and Maia

The Sons of Malice are a Space Marine chapter from the Feral World of Scelus. Because of the harshness of life on Scelus, the Sons of Malice had very high quality members, especially since they only took 11 of the best warriors from each of the 11 main tribes every year. The Sons of Malice have 11 companies, instead of the usual 10. The genetically modified warriors were formed to help protect the areas around the Eye of Terror from incursions from Chaos. However, due to practices carried over from the tribes on Scelus, the Sons of Malice would be declared as heretics by an Inquisitor, despite them not being the only Space Marine chapter to partake in cannibalism of their captured enemies. This declaration would almost be dismissed after the Chapter Master of the Sons of Malice would explain this to the Administratum; but the Inquisitor had mobilized a strike force to eliminate the so-called heretics, and a transmission with the sounds of the strike force being slaughtered had made it to Cadia, and the Sons of Malice were officially declared as heretics. In order to preserve his chapter, Kathal, the Chapter Master of the Sons of Malice, had taken the chapter into the Eye of Terror, where they would fight with Chaos and the Imperium until they'd pledge themselves to the 5th Chaos God: Malice. Almost immediately after the Sons of Malice were declared as heretics, a regiment of Cadian forces were sent to commit genocide against the tribes that the Sons of Malice had originated from. This extermination would wipe out almost every single human being on Scelus and declare it as completely lifeless. But there would be a scant few survivors, who would repopulate under the nose of the Imperium. After they'd pledged themselves to Malice, the Sons of Malice would partake in Abbadon's 13th Black Crusade, where Cadia would be shattered in two, granting the Sons of Malice their revenge. After this, the chapter would continue their warpath, killing Chaos, Imperium, and Xenos alike

Malice has many titles, The Renegade God, The Outcast, The Lost, and Hierarch of Anarchy and Terror are just a few.

He is the Chaos God of anarchy and represents Chaos's self-destructive tendencies, and has nothing but resentment for the 4 main Chaos Gods.

Malice was once known as Malal, but for unknown reasons renamed herself to be Malice.

The sacred number of Malice is 11, and their followers do almost everything in 11s

Cassia is the twin sister of Maia, and tends to be more level-headed and soft-spoken than her sister. She has spent her whole life with a deep hatred of the Cadians and Sisters of battle, as she was 4 years of age when they purged Scelus. As one of the surviving members of her tribe, she would end up joining the Sons of Malice just in time for the 13th Black Crusade.

After the Black Crusade, she'd go on to partake in raids with her sister on planets with a high population of Sisters of Battle and the remaining few Cadians. She'd go on to be known as one of the deadliest of her company alongside Maia. Much like the rest of her chapter, Cassia speaks only in whispers and makes no sound when in battle.

Cassia always has her full armor on when outside of her quarters and has no mutations. Cassia's armor is much like the rest of the Sons of Malice: quartered black and white with silver trim. Her helmet has the signature horns and she has animal bones decorating her pauldrons; on the front of Cassia's helmet is the signature skull pattern of Malice. Cassia herself is identical to Maia, both have white hair, white eyes with black sclera, pale skin, and are 8 feet tall with a muscular, curvy body underneath their armor. The main difference is that Cassia has her hair cut short to fit in her helmet while Maia has hers long.

Cassia secretly wants to have a serf so she can sire children with them.

Maia is the more hotheaded and aggressive of the two twins. She was the one who looked from their hiding place to see if it was safe only to see their parents being shot by the Cadians. Maia would join the Sons of Malice just like her sister, and would also be known as the most brutal member of their company.

Similar to her sister, Maia wears her armor everywhere except for her shared quarters with Cassia. Unlike her, Maia will almost never wear her helmet outside of combat. Maia's armor also has animal bones decorating it, but on her hip is the skull of her first Cadian kill along with the femur of her first Sister of Battle kill. On her back is a large black fur coat. For her left arm, it has been mutated into a thick claw-like appendage with 9-inch nails. Where the 'palm' is, there is a large lamprey-like mouth that she can control.

Maia's hair is long and unkempt, but the rest of her is near identical to her sister.

Maia is very straightforward and considers any sign of weakness as something to be trained out of someone, or bred out of their bloodline.