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Solution file 01 · Alchemy laboratory

Servant of the Lake: Alchemy Symbol Cipher & Potion Code Guide

Use this spoiler-marked reference to translate the laboratory panels, read the slider positions and prepare Aldous’s potion without replaying the entire chapter.

Need the full route? Read the complete Servant of the Lake walkthrough →

Complete visual reference

Alchemy symbol-to-element cipher

10 mappings

The first symbol set describes actions and positions. The second identifies Aldous and the liquid ingredients. Use the original in-game board below as the visual answer: every mark is shown exactly as it appears in the game.

Original in-game alchemy cipher board showing five rows of exact action, position, subject and ingredient symbols
Original in-game reference · tap to enlargeThis gameplay screenshot is the exact symbol chart. Match shapes directly from this image; the English table below only translates the labels.
Board rowFirst panel meaningSecond panel meaning
1HeatWater
2AldousOil
3LeftBlood
4RightJuice
5CenterAcid

Step-by-step solution

Mix Aldous’s alchemy potion

Exact method
  1. 01

    Read the slider positions

    Inspect the laboratory slider and note whether each marker sits at Left, Right or Center. Do not move on until you have recorded the complete sequence.

  2. 02

    Translate each displayed symbol

    Match each mark beside the slider directly against the original screenshot above. The first-panel symbols tell you where to read; the second-panel symbols identify what belongs in the beaker.

  3. 03

    Select Aldous’s formula

    Use the exact Aldous symbol shown in board row 2 to confirm the formula, then collect the Oil, Acid and Blood reagents.

  4. 04

    Pour the reagents

    Add the correct reagent whenever its translated symbol reaches the active slider position. Follow the panel order exactly rather than pouring all three at once.

  5. 05

    Apply heat and finish

    When the Heat symbol from board row 1 appears, activate the heater. The completed reaction produces Aldous’s alchemy potion and advances the experiment.

If the mixture fails: reset the apparatus and recheck Left/Center/Right against the screenshot. Those three similar line symbols are the easiest part of the cipher to misread.