Doctor Fate

Doctor Fate, more accurately referred to as Nabu, is a Lord of Order, a supernatural entity and a superhero. He was previously a member of the Justice Society of America, with Kent Nelson as his host. He currently serves as a member of the Justice League, with Zatara as his host body.

Physical appearance
Doctor Fate is always manifested as the current host wearing the same uniform. The uniform consists of a golden helmet that covers the entirety of the host's head, excluding the ears and, occasionally hair, if it should be long enough. Fate wears a long, high collared cape, fastened with two large buttons. Beneath is a blue shirt with a golden oval set in the chest. He also dons a large golden belt with a circle in the center, and deep blue pants with golden boots.

Early life
As a Lord of Order, Nabu had to rely on human hosts to have a presence on the physical plane. He could take over host bodies when they wear the Helmet of Fate, transforming them into Doctor Fate. While he is in control, the souls of his hosts remain within the Helmet, powerless to influence the outside world.

The most prominent host was Kent Nelson. He joined the Justice Society of America. Nelson's wife Inza convinced Kent to stop wearing the Helmet of Fate, and Nabu remained trapped in the Helmet for 65 years.

2010
Nabu gained a new human host when Wally West put on the Helmet in the fight against Klarion. They were evenly matched, but Fate won after he hurt Klarion's familiar Teekl, severing his ties with the mortal plane. Nabu at first refused to relinquish control of Wally's body. Kent Nelson, who had been mortally wounded, and sucked into the Helmet along with Wally when the young hero put it on, convinced Nabu that Wally was not the right suitor to be the next Doctor Fate. He would keep the Lord of Order company until a suitable successor was chosen. The Helmet of Fate would reside in Wally's room in Mount Justice for safekeeping.

Aqualad used the Helmet to fight against Wotan of the Injustice League. Kent once again convinced Nabu to relinquish the new host.

Zatanna used the Helmet to fight against Klarion. After she took him down, Nabu refused to give up her body, despite arguments from Kent Nelson. Nabu revealed he released Kent's soul to the afterlife, as he needed a permanent host to keep Klarion at bay. Zatara convinced Nabu to take him as a host instead of his daughter since he was better at magic. Nabu wasn't swayed until Zatara gave his word and Zatanna was released as her father took her place.

Doctor Fate, along with Superman and Captain Marvel, destroyed the fourth ice fortress.

Doctor Fate attended the Justice League meeting to consider expanding its membership. During the meeting, Captain Marvel questioned whether Fate should inherit Zatara's seat in the League, because Fate coerced Zatara into letting him use his body. Re-evaluation of his membership was put to a vote, though Fate justified staying on the League by stating that he joined at Zatara's request so that the others could keep an eye on them.

With the other inductees into the League, Doctor Fate was welcomed to the Hall of Justice and given an official membership pass along with Atom, Plastic Man, Icon and Red Arrow.

After being made a slave of the Light's mind control, Doctor Fate welcomed Vandal Savage aboard the Watchtower with a silent kneel of obedience.

Doctor Fate, Captain Marvel and Icon were sent by the Light to subdue the Team, but they found the Cave deserted.

The moment the trio made it back to the Watchtower, the Team ambushed them with cure-tech. Doctor Fate was tagged straight away, and after taking care of the other two, Zatanna attempted to remove the Helmet. She was electrocuted by the magics that held the helmet in place.

2016
After Gamma Squad saved hostages from the Kroloteans, Doctor Fate arrived on the scene with the rest of the Justice League members and the Team.

Doctor Fate watched the activation of the Zeta-Shield from the Watchtower's observation deck.

Batgirl presented Fate with recordings of an ancient temple she and other Team members had found in Bialya. Fate translated the hieroglyphics, revealing an ancient ritual to cleanse a scarab. Unable to perform the human ritual himself, Fate began to prepare Zatanna to perform it, but it would take months for her to learn it and make it work in concert with her powers.

Mongul, an alien despot controlling a giant satellite called the Warworld, unleashed an attack on Earth, with Doctor Fate emerging from a portal and creating a giant magic portal to absorb a laser attack. Mongul fired missiles, but Rocket arrived and used a force bubble to protect Fate. Captain Atom, Captain Marvel and Green Beetle emerged from Fate's portal and they kept Mongul occupied until the Team snuck aboard the Warworld.

As Mongul increased his assault on Earth, Doctor Fate conjured an enormous protective shield as the other Leaguers took out as many missiles as they could.

Doctor Fate created a portal that allowed Captain Atom, Nightwing and Green Beetle to board the Warworld, where Nightwing asked Blue Beetle what happened to the rest of the Team. After a briefing, Fate created a portal to allow Green Beetle to take Blue Beetle home.

Captain Atom, Aqualad and others discussed the sudden outbreak of "natural" disasters, including a tidal wave which Fate attempted to break with a magic shield.

Doctor Fate joined 39 other heroes of Earth in a briefing in Metropolis. The heroes would use a computer virus provided by Lex Luthor to safely disable the Magnetic Field Disruptors causing the disasters. The heroes were paired off with another into twenty squads: one member would run interference against Beetle-tech Drones guarding the disruptors, allowing the other to get close enough to plant the virus.

Within thirty minutes, all squads had succeeded in their mission.

Known hosts
If Doctor Fate is injured when in battle, his host will also feel pain.
 * Kent Nelson (formerly)
 * Kid Flash (briefly)
 * Aqualad (briefly)
 * Zatanna (briefly)
 * Zatara (current)

Powers and abilities
Nabu's has no physical form, thus requiring a host in order to inhabit the reality of Earth. His magical connection to the Helmet of Fate allows him to completely possess the body of those that don said helmet. Once in control, he can utilize many mystical abilities including: Fate's magic usually manifests in the shape of a yellow ankh.
 * Flight
 * Energy blastsKid Doctor Fate.png, manifested in the shape of a yellow ankh.]]
 * Magical constructs
 * Telepathy with his human host

Weaknesses
Nabu exists inside of the helmet of Fate. Without a host body, he cannot manifest as Fate and cannot affect the physical world. His power is also dependent on the host. As stated by Klarion when Nabu possessed Wally, Fate was weak because Wally had no affinity with or belief in magic. Zatara also offered himself to Fate by stating that his magic was at its peak and his body fully developed on which Nabu agreed and chose Zatara over Zatanna.