In Fallout 4 (PS4), every now and then, when I'm trying to steal something, even if I'm Hidden, sometimes the owner still knows I stole from them. This happens even if I am completely Hidden and out of the line of sight. Anybody know why and how I can avoid it moving on?
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I'm not sure about Fallout 4, but in Skyrim (another game by Bethesda), your success rate depends on the value of what you're trying to steal. The more it's worth, the more likely you'll be caught. For example, there were times I bought too much at once and became unable to steal my money back, so I'd load a previous save and alternate between buying one item, then stealing the money back, and repeating until I've got everything I wanted.– NolonarCommented Mar 1, 2023 at 0:41
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@Nolonar Oh my bad I should've clarified, I'm just talking about objects. Like for example, earlier I was trying to steal a Stimpak in a room completely separate from everyone in the house, but the second I walked back out they turned hostile.– KaiKraft1235Commented Mar 1, 2023 at 2:02
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Hidden a sin crouching?– A.bakkerCommented Mar 1, 2023 at 7:00
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Put points into Sneak.– Alan BCommented Jun 23, 2023 at 14:08
2 Answers
Yes, as @Nolonar mentioned in comment, it depends on many things like: worth and how many objects in one turn if pickpocketing, on target level, his and yours Perception level, environment and daytime , your stealth skills, other NPCs around etc...
In case of looting diamond apartments timing is key, vendors homes when they working, upper class while they drink at bar. Recommend crouching before enter and when exiting, also good way in are roof hatches. With hyped thief skills is possible to steal fusion core from raiders or BOS wearing Power Armor, without it they exit and you can steal whole power armor.
The Fallout 4 Sneak skill page on the Fallout Fandom site mentions how
Certain NPCs are scripted to turn hostile when stealing from them, even if the player was not caught and was hidden.
Unfortunately, I can't find a list of these certain NPCs online. I might look around in the Creation Kit once I get the chance.
As for your titular question: factors that affect detection are the following:
- Your Sneak skill rank;
- Your Agility score;
- Movement speed;
- Additional Sneak and Agility modifiers from items (perm./temp.; e.g. the Covert Ops magazines, Bobbleheads, &c.);
- Armour weight;
- Armour modifications (Muffled/Shadowed/Lightweight/Ultra-Light);
- Armour Legendary effects (Chameleon/Cloaking (kind of)/Cunning (AGI bonus)/DiMA (AGI bonus)/Little Menace's/Unyielding (AGI bonus))
- Deacon's Cloak & Dagger perk;
- Enemy Line of Sight;
- Enemy hearing range/distance;
- Light amount (experiences vary (see e.g. here), but this is at least important when in (visual) range of enemies);
- Vicinity of points of interest (explosion/dead body);
- Weapon shooting volume (if shooting, obviously);
- Weapon mods. Well, the suppressor. That's all, really. Scopes help to keep a distance, but don't inherently do anything to avoid detection;
- Game Difficulty level.