Lab Rat
You were the subject of someone's research. Someone kept records on you for years: intake, output, what you did under stress. You know the smell of that kind of corridor and how it is laid out.
+1 CON +1 INT -1 STR RA · +1
Skill Proficiencies
Investigation, Stealth
Language or Tool
Choose 1 from Any two languages, Medical kit, Thieves' tools, Poisoner's kit
Starting Equipment
Origin Feature: The File on You
Within 1 hour of entering any research or medical facility, you can read its layout, shift pattern and blind spots, and you can move through it as though you belong there. You have advantage on saving throws against being Frightened by clinical procedure, restraint or interrogation. Your file still exists, and the GM decides who holds it and what they want.