It is also said that once the 7 Millennium Items are collected, along with the 3 God Cards, the dark powers shall be released, and the Pharaoh shall find his lost memory...

One note is that each of the Millennium Item has the power to perform "Punishment Game" on the opponent if the opponent loses in a Dark Duel.

[Millenium Puzzle]

Owner: Yugi Mutou

Abilities: Mind Crush, ability to return souls to their rightful place.

Spirit: The Ancient Pharaoh that first enclosed the energies within the items.

Summary: This ancient millenium item is wielded by Yugi Mutou. It was a puzzle given to him by his grandfather to solve. Sugoroku felt Yugi was "destined" to have it. Yugi completed it, and now whenever he duels, he transforms into Yami Yugi.

[Millenium Ring]

Owner: Ryou Bakura

Abilities: Soul Removal, ability to locate other Millenium Items with its pointers

Spirit: An ancient thief

Summary: The Millenium Ring was given to Bakura by his father. As with Yugi, his father also thought Bakura was destined to have it. This has the ability to locate other items with its pointers. Unfortunately, the spirit within the ring is an evil thief who steals souls and has dark intentions to get all seven millenium items.

[Millenium Eye]

Owner: Pegasus J. Crawford (later: Ryou Bakura)

Abilities: Soul Removal, ability to read one's mind or look through one's eyes

Spirit: Unknown

Summary: The origin of the Millenium Eye is some merchant in Egypt who caught Pegasus' eye. Shadi forcefully made Pegasus take the Millenium Eye and this is how it remains to this day. Pegasus uses it to see his opponent's hand in duels, or to just read their mind. He also uses it to steal souls. At the end of the Duelist Kingdom tournament, after using all his shadow powers to duel Yugi, he is helpless to Bakura coming in and stealing the Eye.

[Millenium Ankh]

Owner: Shadi

Abilities: Ability to see into one's heart and mind to figure out one's personality

Spirit: None

Summary: This item is wielded by Shadi. It allows him to figure out one's personality so he can "judge" them.

[Millenium Scale]

Owner: Shadi

Abilities: Can judge a person based on personality and can punish if the person is dishonest

Spirit: None

Summary: The main ability of this scale is that if the owner asks a question, if the person answering is dishonest the Scale has the power to "punish" that person.

[Millenium Tauk]

Owner: Isis (later: Yugi Mutou)

Abilities: Can show the near future, although a wielder of another Millenium Item may alter that future

Spirit: None

Summary: Isis Ishtal wields the Millenium Tauk. In Battle City she uses it to show the past and near future to Kaiba and Yugi. When Kaiba alters this future, the Tauk loses its power, so Isis hands it to Yugi.

[Millenium Rod]

Owner: Malik Ishtal

Abilities: Can take control of a person's body, and can be transformed into a dagger.

Spirit: Possibly Yami Malik

Summary: This Millenium item is wielded by Malik Ishtal, the psycho bad guy from the Battle City story arc. He uses it to control people or as a weapon. Either way, Yami Malik is one psycho character. He makes Pegasus look like a baby.