>>8805760a warlock believe it or not. the idea is that he's a hexblade which will make him just about as competent in melee combat as he is with spells, so while he's in and around the city he'll just be looking the part of a fighter as much as he can to keep his magic up his sleeve.
as far as real combat outside of the city it's actually a really fun looking build where you use a combination of feats that basically lets you use your reaction to eldritch blast anything that gets within 10 feet of you, push them back 10 feet, and stop them from moving so you have this big area that nothing can enter unless you get swarmed.
in the end i'll end up playing him closer to a fighter than a sorcerer, but also have eldritch blast and a bunch of utility spells on hand if i need them