1

The guard rotation is delayed and the current patrol is doubled back toward the entry point.

2

The Agent is forced to hide in a tight vent or closet as a patrol stops right outside, talking loudly.

3

A trained guard dog is loose on this level and begins to bark and track the Agent's scent.

4

The target room is unexpectedly occupied by a senior, sleeping official or scientist.

5

The primary exit is manned by a fresh patrol who are actively checking ID passes at the gate.

6

The Agent's exit is blocked by a patrol seeking a different intruder (who is actually the Agent).

7

A crucial ladder rung or handhold breaks during the Agent's ascent or descent.

8

A crucial floorboard or grate gives way loudly under the Agent's weight, making a crash.

9

A pipe bursts or heavy object falls, creating a loud crash that alerts the guards nearby.

10

The final door to the target room has been welded shut or has an extra, improvised lock.

11

A recent building alteration has closed off the Agent's planned escape route (e.g., a new wall).

12

The compartment holding the artefact is unstable and threatens to collapse the entire shelving unit.

13

The cleaning crew arrives 1 hour early and is actively working at the entry point.

14

The night watchman decides to eat his midnight meal in the Agent's exact concealment spot.

15

A technician is performing unscheduled maintenance on the utility line the Agent must use for cover.

16

The target official decides to return to the office to retrieve a forgotten item.

17

The morning shift staff start arriving early and congregate near the exit point to smoke.

18

The item needed for the mission is out for loan/cleaning and is not in its expected place.

19

The door handle is rigged to a silent chemical tracer that marks the Agent's hand for later ID.

20

An unmarked pressure plate triggers a subtle change in the ventilation or lighting.

21

The Agent triggers a tripwire connected to a high-decibel audible alarm.

22

The door lock is rigged with an electrical charge intended to incapacitate intruders.

23

The Agent trips a magnesium flare/light trap designed to blind and mark intruders for pursuit.

24

The artefact is coated in a chemical irritant or slow-acting poison that affects the Agent's sight/breathing.

25

A hostile security mirror or camera is positioned directly to identify anyone entering the zone.

26

The Agent's clothing is caught on a piece of machinery, making a distinct and identifiable ripping sound.

27

The Agent's distinctive cologne or smoke scent is noticed by a sensitive guard or animal.

28

The Agent's lock-picking tools break, forcing them to switch to a louder, cruder method.

29

The Agent's disguise is partially ruined (e.g., grease smudges) during the extraction phase.

30

The Agent realises the target artefact has a micro-tracker that is now active and on their person.

31

The Agent finds the entry point already tampered with by a third, unknown party.

32

The Agent finds a confidential map detailing the exact location of all surveillance posts and microphones.

33

The Agent finds a live, fully functional bomb placed near the target's location, requiring disposal.

34

The target room is empty; the critical artefact or person has already been moved.

35

The Agent discovers a second, more valuable artefact that cannot be left behind.

36

The Agent finds a hidden kill switch that, if pressed, wipes all the organisation's data.