Nile Dok

Commander Nile Dok (ナイル・ドーク師団長) is the chief of the Military Police. Nile Dok appears at the trial of Eren Yeager, where he planned to have Eren studied and then killed.

Appearance
Nile is a man of average height and build. He has short, black hair that is cut shorter on the sides and back. He also has a mustache and goatee that appear very light. He is always seen wearing the standard military uniform with the military police symbol, but also has a small red medallion around his neck, which is very similar to the medallions that Dot Pixis and Erwin Smith have.

Personality
Nile prides himself on being a very rational individual. Whenever he is faced with a tough choice, he weighs all possible options and chooses the one that makes the most sense to him. He wanted to have Eren Yeager executed but was not blind to his usefulness like Pastor Nick was. He determined that the potential civil war within the walls was too great a cost, especially considering the Survey Corps could not guarantee anything about Eren. However, he relented his position when Levi brought up the fact that the military police would be ill equipped to deal with Eren in his titan form. Nile is never totally committed to one way, and will change his opinion as the situation develops. A similar instance is when he arrested Erwin Smith due to him violating laws and command structure, but allowed their plan to go on since the Female Titan was already released and it would be very difficult to stop it without Erwin leading the Survey Corps.

Nile has not been seen taking part in, or commenting on the corruption within the military police. He may not exercise a great deal of control over his branch of the military, since he admitted that the central branch is beyond his authority. In his youth he was good friends with Erwin and wanted to join the Survey Corps, but he gave all that up to have a family with a woman named Marie. His choices set him at odds with the idealistic Erwin who has no family due to the nature of his work, since Nile believes his greatest achievement is his family.

History
Nile was a member of the same Trainees Squad as Erwin Smith, and the two were good friends. They agreed to join the Survey Corps together, but then Nile met a woman named Marie at the bar the group often frequented. Both men fell in love with her, but Nile ultimately chose to abandon his comrades to be with her. He enlisted in the Military Police Brigade, and started a family with Marie.

The Female Titan arc
Although Nile did purposely try to kill Eren, he analyzed and weighed the different pros and cons of Eren before making his final decision. He recognized that Eren's Titan powers had saved Trost District, but threaten the balance of power within human society. While mainly business and Wall Rose residents support Eren, most people of importance such as the clergy, view Eren as a danger. Thus, Nile concludes that to avoid civil war, Eren must not be allowed to live. When Eren called him and his group of bunch of cowards, he wanted to have him killed; however, Levi interfered by beating Eren in front of everyone. When Zacklay placed Eren in Survey Corps, Nile is displeased that he lost the trial; however, he asked Erwin Smith how the Survey Corps going to perform a mission to Wall Maria.

He would later learn from Erwin Smith that Annie Leonhart was the Female Titan and that Wall Sina has been breached. Going by his suspicions, Nile ordered Marlowe, Hitch and the other members to assist the Survey Corps in capturing Annie.

Clash of the Titans arc
The meeting for Eren's judgement is put on hold when Smith and Nile were ordered to attend a meeting to discuss the recent turn of events. However, they learn that Wall Rose has been breached and rush to investigate.

He meets with Erwin in the Capitol, and it is revealed that they were once close friends during their time in the Trainee Corps. Erwin questions him about the Military Police Brigade's involvement in Pastor Nick's murder and learns that Nile doesn't know anything concerning the central branch's activities. He states that no laws exist that can restrain that group, and admits that he doesn't know if handing Eren over would resolve the current crisis.

Erwin inquires about Marie, who is expecting their third child. Nile initially tells him not to change the subject, but the two men end up reminiscing about the past. He admits that he betrayed his comrades by abandoning them, but states he does not regret his decision because his family is his greatest achievement. Erwin admits to respecting his old friend, and the life he has managed to build for himself -- something no one in the Survey Corps can ever have. Still, he offers Nile a vague warning about the future and advises him that protecting his position and protecting his family may not be the same thing. He makes several cryptic statements about their friendship, and reminding Nile that they trust each other before exiting the carriage.

In parting, Erwin admits to having had feelings for Marie. Nile is startled, but admits he knew that and always thought Erwin insane for choosing the Titans over her. As the carriage pulls always, his expression darkens as he considers Erwin's many mysterious statements. .

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Nile Dok