The Warrior Unit (戦士隊 Senshi-tai) is a subdivision of the Marleyan military's Eldian Unit. Its members are given the power of the Titans under Marley's control, and were in charge of the Paradis Island Operation.

Duty:
The Marley Warriors are expected to carry out the needs of their superiors without question or objection. From a young age, Eldians are raised to believe that their race is responsible for all the wrongdoings in the history of the world, given the fact that they are the only humans capable of transforming into Titans, the catalysts for millennia of death and chaos. With this stigma in mind, Eldian children are at times offered up to the Marley government to become Warriors so that the families of accepted children may be granted honorary Marleyan citizenship rather than subjugation within isolated internment zones, such as the one in Liberio. Most Marley Warriors serve as cannon fodder on the battlefield, performing the riskiest and deadliest tasks and strategies while the other Marleyan soldiers remain out of harm's way. When the need arises, the Warrior who demonstrate the most exceptional performance on the battlefield is given the privilege of inheriting one of the seven Titans which Marley obtained during the Great Titan War. Due to the rarity of these individuals, efforts are taken to ensure that, if possible, these Warriors are not put into situations which could lead to the loss of one of Marley's Titans.

Structure:
Candidates make up the main force of the Marley Warriors. These candidates can vary in age, ranging from young adults to some as young as twelve years old. New Warriors entering training range in ages between five and seven, young enough to be strongly susceptible to Marleyan propaganda. Pre-adolescent Warriors may also be potential candidates for inheriting the power of the Titans. Out of the many hundreds of Warriors enlisted in the Marleyan military, only six that are Subjects of Ymir at any given time are able to inherit the power of the Titans. While these Warriors are not spared from deadly situations in combat or infiltration missions, efforts are taken to ensure that these Warriors are not killed in action if possible. Upon inheriting a Titan, these Warriors keep their Titans before they are passed down to a candidate chosen for the inheritance. Those who have inherited the power of the Titans are granted red Eldian armbands as opposed to the common yellow bands. Families of these Warriors also receive red bands.

Qualities:
Having been raised with Marleyan propaganda from a young age, the Warriors follow the orders of their superiors without question. For some, this is done out of blind faith to Marley and an honest belief in the information they have been indoctrinated with. For others, they follow their superiors knowing that disobedience would result in death or worse. Regardless of reasoning, the Warriors abide by their sense of duty to the nation of Marley under all circumstances. It appears that when outside of Marleyan influence, the Warriors follow a system of "might-makes-right" when settling disagreements.