DEFINITIONS

Duel Monsters
is a card game which have roots to the old Egypt.
Monster Cards are the beings with whom you attack or defend yourself in the game. Some of them have special effects which can be useful, but also damage yourself.
Magic Cards are cards with specific power to damage your opponent, heal yourself etc.
Trap Cards are cards which can be activated in the turn of your opponent or in your own to damage your opponent or to block a Magic Card etc.

Sennon Items
Sennen Items were made in old egypt 3000 years ago. There seven of them and if you place them together you can open the world of darkness.
Sennen Puzzle is in the form of a reversed pyramid. On one side of the pyramid in the center is an Egypt eye. You can splitt them in its part again, but only the chosen one is able to build it together. The person who complete the puzzle is able no fulfill one of his wishes. In the puzzle is the soul of a pharao (Yami No Yuugi). 3000 years ago it was the Item of the pharao who was able to call the three Gods of Egypt. Yuugi's grandfather has brought it back from one of his adventures in Egypt. He gave it to Yuugi, who was able to complete it. Since then the soul of the pharao has lived together in his soul.
Sennen Ring is an object which looks like a pyramid with an rgpyt eye in the center which is surrounded by a kind of circle. Around these circle are small objects which are looking like slender octahedrons. These objects have the function as a phasor to show the direction of another Sennen Item. However, it has also the ability to show the wishes and fears of a person. In the Ring lives the soul of a thief (Yami No Bakura). It used to belong to the Shinkan Mahado 3000 years ago.
Sennen Eye replaces one of the owner's eyeballs and give the owner the ability to read the minds of a person. Its very first owner was Akunadin. Its original form is like a small orb with an egpyt eye on it.
Sennen Key looks like the Egpyt cross which is one of the pharao's regalia and the only Sennen item which has nowhere an Egypt eye visible. Its function is like the name says a key which opens the soul of a chosen person and allows the user to enter the soul of the victim.
Sennen Ankh looks like a balance with an Egpyt eye in the center of the scale pan's holder. The owner is able to show the balance between good and evil of the person or if the person tells the truth or not.
Sennen Rod looks like an ordinary rod with the Egpyt eyeball on the top which has as decoration something which looks like wings at first. However,it is a small dagger which will be shown by removing its scabbard. The owner is able to control the mind of a weak person.
Sennen Taukh is in the form of a neclace with an Egpyt eye in the center. Its ability is to show the owner the past, the present and the near future.

Old Egypt
Ka is the monster which is created through the heart of a human. According to the heart of the person is the Ka good or evil.
Ba is the power of the person who is able to call his Ka or other Kas which are sealed in flagstones.