Any school of magic will work. Scrying, invisibility, knock, dimension door, and arcane eye will make any wizard into an incredibly effective assassin. Just add in ice knife and silence and you’ve got a wizard who can keep his target from crying for help while he takes him out with an untraceable knife.
And your choice of race and background should likely be decided by your setting. Villains come from every race so something that fits your settings and has an intelligence bonus would be the normal place to go, unless you dislike the cliché smart races or they don't fit your character concept.
High level necromancers are broken. Depending on how much your DM follows the lore and how generous they are, you can plane shift a commoner to the negative energy plane, which can summon a nightwalker and use the 14th level ability to permanently dominate it, with a 5% to 0% chance of it making the save.
Any school of magic will work. Scrying, invisibility, knock, dimension door, and arcane eye will make any wizard into an incredibly effective assassin. Just add in ice knife and silence and you’ve got a wizard who can keep his target from crying for help while he takes him out with an untraceable knife.
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And your choice of race and background should likely be decided by your setting. Villains come from every race so something that fits your settings and has an intelligence bonus would be the normal place to go, unless you dislike the cliché smart races or they don't fit your character concept.
High level necromancers are broken. Depending on how much your DM follows the lore and how generous they are, you can plane shift a commoner to the negative energy plane, which can summon a nightwalker and use the 14th level ability to permanently dominate it, with a 5% to 0% chance of it making the save.
I have a weird sense of humor.
I also make maps.(That's a link)