Originally Posted by
Nagog
Considering you've got good Dex and are relying on Armor of Shadows rather than physical armor, Hexblade doesn't really fit. Most of the other patrons are thematic, so you may need to flesh out the character more story-wise to come to a decision on patron.
For Invocations, I cannot stress the wonderful amazing awesomeness that is Mask of Many Faces enough, particularly for a Rogue multiclass. Expertise in deception+Disguise Self at will + the Actor Feat (for icing on the cake), and you can be whoever you want, whenever you want. Simple as that. Great for RP and causing shenanigans. Strong enough to turn a combat encounter into a social encounter followed by a quick round or two of assassinations. Boom. Also, if you go Pact of the Blade, Definitely pick up Eldritch Smite. Smite+Sneak Attack has the potential to deal loads of Nova damage.