Arkaam

Arkaam, also called the White Queen, is one of the primary antagonists in the Eighth Saga of the W.I.T.C.H. comic book series. She is one of the most powerful villains in the W.I.T.C.H universe.

Arkaam is the tyrannical empress ruling the highly advanced, supernatural civilzation of a planet called the Fast World while upholding the title of the Fast World's matriachical sovereignty called "White Queen", and she commands her legion of royal soldiers and loyal subjects called the White Army.

She was also the one who killed Liam when he tried to rescue Mariko.

History
The White Queen is the malevolent and despotic ruler of the Fast Realm.

Her desire was to kill Mariko and the Guardians, who stood in her way in controlling the entire Fast Realm.

She uses the Sword of Exile to try to kill Mariko but was prevented by Liam at the cost of his own life. The White Queen Arkaam also tried to invade Earth but she was defeated along with the White Soldiers by the W.I.T.C.H. girls, who combined their magical vocies along with Matt's voice to generate a sound frequency enough powerful to dissipate Arkaam and her White Soldiers into nothingness.

Her appearance is a combination of two playing cards: a queen and a joker.

Weapons
The White Queen herself possesses an array of magical weaponry and, with the help of The Prophet, can acquire information about her enemies. Her most notable weapon is the Sword of Exile, which the end of its blade live on different dimension. Her weapons include a Dragon Jar, and a Luminous Butterfly.