He will emerge between Shaam and Iraq, and his emergence will become known when he is in Isfahaan at a place called Yahudea.
The Yahudis (Jews) of Isfahaan will be his main followers.
Apart from having mainly Yahudi followers, he will have a great number of women followers as well.
He will have with him fire and water, but in reality the fire will be cold water while that what appears to be cold water will in reality be a blazing fire.
Those who obey him will enter "his Jannat" while those who disobey him will enter "his Jahannam."
There will be a thick fingernail-like object in his left eye.
The letters "Kaa" "Faa" "Raa" will appear on his forehead and will be deciphered by all Mu'mineen regardless of them being literate or not.
He will have a wheatish complexion.
He will travel at great speeds and his means of conveyance will be a gigantic mule. It is said that he will play beautiful music which will attract the music lovers.
Dajjal will lay claim to prophethood.
He will then lay claim to Divinity.
He will perform unusual feats.
He will travel the entire world. He will send down rains upon those who believe in him, which in turn will cause good crops to grow, trees to bear fruit and cattle to grow fat.
He will cause drought to those who disbelieve in him, resulting in starvation and hardship for them.
During those trying times the Mu'mineen will satiate their hunger through the recitation of Subhanallah and La'ilaha Ilallahu.
The hidden treasures will spill forth at his command. He will stay on this Earth for a period of forty days; the length of the first day will be one year, the second day will be equal to one month, the third day will be equal to a week and the remaining days will be normal.
He will be unable to enter Makkah because the Malaikah will be guarding the Holy City and nor will he be able to enter Madina because there will be Malaikah guarding each of the seven entrances to Madina; From Madina he will proceed towards Shaam where Imaam Mahdi will be stationed.
Finally Isa (A.S.) will descend from the heavens and pursue him and eventually kill him at present day Lydda (Baad Lud).
Originally posted by paperclip
Although Dajjal will have many followers, it won't be enough.
Isa (Jesus) will come down to Earth with an army of angels to fight the final battle and kill Dajjal... so the legend goes.