Wiseman
       
Something about this strange, shrouded man with the crystal ball tells you he's up to no good.
He's from the Negamoon, in the future, and he sends Rubeus and the four sisters into the past (our present day) to change the future for the Negamoon. At the same time, he launches an attack against Crystal Tokyo, a city of the future that will take the place of the Moon Kingdom.
He faces a two-front dilemma. The Sailor Scouts, past and future, are stopping his plans. Then, as the sisters are converted, the wise man is left with just Rubeus in the past to fulfil his plans.
No matter. They are just tools: means to an end. He still has Emerald, Sapphire, and Prince Diamond, and even they are expendable. For the Wise Man's goals are his alone. He seeks total destruction, no less.
You see, the Wise Man of the Negamoon is in reality the dreaded Doom Phantom, spirit of the Dark Crystal, and he will stop at nothing to fulfil his goal of awakening the Dark Crystal and destroying Earth, even if it means destroying the entire Dark Moon Family and turning Rini against her mother.
This evil creature killed Emerald,Diamond and Sapphire. And he turned Rini into Wicked Lady.