# Journal Part 4

- [Summoning Demon](/leaks/docs-journal/journal-part-4/summoning-demon.md)
- [Demon's Flashback](/leaks/docs-journal/journal-part-4/demons-flashback.md)
- [Mandrill's Voicemail](/leaks/docs-journal/journal-part-4/mandrills-voicemail.md)
- [Observatory](/leaks/docs-journal/journal-part-4/observatory.md)
- [Entrance](/leaks/docs-journal/journal-part-4/observatory/entrance.md)
- [Room 1 - Scientific Storage](/leaks/docs-journal/journal-part-4/observatory/room-1-scientific-storage.md)
- [Chemical Samples](/leaks/docs-journal/journal-part-4/observatory/room-1-scientific-storage/chemical-samples.md)
- [Computer Components](/leaks/docs-journal/journal-part-4/observatory/room-1-scientific-storage/computer-components.md)
- [Horticulture Specimens](/leaks/docs-journal/journal-part-4/observatory/room-1-scientific-storage/horticulture-specimens.md)
- [Crystals](/leaks/docs-journal/journal-part-4/observatory/room-1-scientific-storage/crystals.md)
- [Lab Notes](/leaks/docs-journal/journal-part-4/observatory/room-1-scientific-storage/lab-notes.md)
- [Room 2 - Alchemical Laboratory](/leaks/docs-journal/journal-part-4/observatory/room-2-alchemical-laboratory.md)
- [Experiment Designer](/leaks/docs-journal/journal-part-4/observatory/room-2-alchemical-laboratory/experiment-designer.md)
- [Data Analyzer](/leaks/docs-journal/journal-part-4/observatory/room-2-alchemical-laboratory/data-analyzer.md)
- [Treasure Detector](/leaks/docs-journal/journal-part-4/observatory/room-2-alchemical-laboratory/treasure-detector.md)
- [Inserter](/leaks/docs-journal/journal-part-4/observatory/room-2-alchemical-laboratory/inserter.md)
- [Sentinel Extraction Terminal](/leaks/docs-journal/journal-part-4/observatory/room-2-alchemical-laboratory/sentinel-extraction-terminal.md)
- [META-Secret Room](/leaks/docs-journal/journal-part-4/observatory/meta-secret-room.md)
- [Secret Room](/leaks/docs-journal/journal-part-4/secret-room.md)