NWN and NWN 2 used a different edition of the D&D ruleset (3.0 for NWN, 3.5 for NWN 2), cross class skills don't exist anymore in 5E. Taking a level in the rogue class would grant you proficiency with sleight of hand if you took it and your proficiency bonus would apply to it in full, regardless of class.
I'm not sure whether you can actually respec your background. You could also take a feat at level 4 that lets you choose 3 skill proficiencies.
Last edited by Kendaric; 14/08/23 03:12 PM.
