TV-Series
Description
Aknadin is a pivotal figure from the ancient Egyptian story arc, serving as the younger twin brother of Pharaoh Aknamkanon and the father of the high priest Seto, making him the uncle to the young pharaoh Atem. He was also the original owner of the Millennium Eye and the primary architect behind the creation of all seven Millennium Items. Before the series' main events, Aknadin was the royal advisor to his elder brother. When Egypt faced a dire invasion, the pharaoh sought a peaceful resolution. Fearing the kingdom's destruction, Aknadin proposed using a forbidden spell from the Millennium Tome, which required a terrible sacrifice. After receiving reluctant permission, he led soldiers to the village of Kul Elna, where its inhabitants were killed to provide the necessary blood and souls for the ritual to forge the items. The sole survivor of this massacre was a young boy who would become the Thief King Bakura. Before this act, Aknadin abandoned his wife and son, Seto, to shield them from any backlash or prejudice stemming from his dark mission.

Outwardly, Aknadin presented himself as a loyal and merciful priest. He was known to show kindness to criminals, arguing for rehabilitation rather than execution after their evil spirits were exorcised. However, beneath this facade lay a deep-seated jealousy and resentment. He secretly despised his brother for being pharaoh while he remained in a lesser position, a bitterness that extended to his nephew, Atem. His overwhelming motivation was a twisted desire to see his own son, Seto, sit on the throne of Egypt. This ambition consumed him, and he was willing to commit any atrocity to achieve it. Despite his darkness, he genuinely loved Seto, secretly training him and expressing pride in his son's rise to the position of high priest.

Aknadin's role in the story is that of a tragic antagonist whose past sins return to haunt the present. When the Thief King Bakura attacked the palace to avenge the destruction of Kul Elna, Aknadin recognized him as a survivor and was horrified. Bakura used the power of the Millennium Ring to draw out Aknadin's inner darkness, which was further exploited by the evil god Zorc Necrophades. Fully corrupted, Aknadin sabotaged the pharaoh's defense by attacking the stone tablet of the god Slifer, leading to Atem's defeat. He then began building a dark army by forcing prisoners to fight to the death with their spiritual monsters, or Ka, and specifically targeted a girl named Kisara to extract her powerful Ka, the Blue-Eyes White Dragon. In his ultimate betrayal, he used a time-freezing talisman to steal the other Millennium Items from the incapacitated priests and used them to resurrect Zorc. As a reward, Zorc transformed Aknadin into a powerful, masked entity known as the Shadow Magus, or the High Priest of Darkness.

Aknadin's key relationships are defined by blood and betrayal. His bond with his son, Seto, is the most complex. While he never revealed their true connection until his final moments, Aknadin's every action was taken to secure Seto's future as pharaoh. He attempted to convince Seto to join him in ruling a dark world, but his son refused, ultimately killing him to protect Kisara and Atem. Even in death, Aknadin's spirit possessed Seto to attack the pharaoh, only to be finally destroyed by the spirit of Kisara within his son's mind. His development follows a clear arc from a secretly resentful but loyal priest to a fully corrupted agent of darkness, driven mad by his own jealousy and the manipulations of Zorc. He transforms from a figure who once showed mercy into one who coldly murders an innocent girl to achieve his goals.

As the first wielder of the Millennium Eye, Aknadin possessed the standard abilities associated with the item, such as reading the minds of others, initiating Shadow Games, and summoning his own Ka, a creature named Gadius. After his transformation into the High Priest of Darkness, his powers were greatly amplified. He could project powerful dark energy blasts, open teleportation portals, extract a person's Ka and seal it within a stone tablet, and infiltrate the minds of others to control them. Despite using the other Millennium Items to resurrect Zorc, the Millennium Eye remained in his possession, and he continued to use its abilities.