No it does not all you have to do is make a battle net account and start a new character.
No, Diablo I has nothing to do with Diablo II.
you need it to install it
No. It is free to play.
It's been over 13 years since Diablo 2 was a true Hype, so this would give you a perfect reason not to worry if Diablo 3 would be your 1st Diablo game experience.
No you do not.
Jah Ith ber
Yes.
There are no torches in Diablo 2
It costs $9.99 from the Diablo 3 official website. I bet you can find it even cheaper from other places as it's pretty old now.
you dont
you need expansion set and then you kill diablo talk to tyreal the archangel a portal will apperar go in it
yeah man diablo 2 is a totally different game than diablo 1