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DAY III · TASK 19
Assisting in Alchemy Walkthrough
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SERVANT OF THE LAKE · DAY 3 · TASK 19
DAY III · TASK 19
Assisting in Alchemy Walkthrough
Three major puzzles block the Science Room.
SCIENCE CABINET
2451
LEFT / RIGHT
← ← → → ← →
SCIENCE BOARD
Alchemy Quick Answers
| Science Cabinet | 2451 |
|---|---|
| Left / Right | L L R R L R |
| Science Board | 15-piece 5×3 |
If all three are solved but the task still does not complete, check the Plant, Juicer and Elixir progression below.
1. Science Cabinet Code – 2451
2451
Use 2451 on the cabinet during Assisting in Alchemy.
2451 isn’t working?
2. Left / Right Solution – LLRRLR
LLRRLR
Press Left, Left, Right, Right, Left, Right in that exact order.
This is not a random sequence. The order is fixed.
3. Science Board Solution
Place the 15 symbols in this exact 5×3 arrangement.
| Row | Left | Middle | Right |
|---|---|---|---|
| 1 | Slot 1 | Heat | Water |
| 2 | Slot 2 | Aldous | Oil |
| 3 | Slot 3 | Left | Blood |
| 4 | Slot 4 | Right | Juice |
| 5 | Slot 5 | Middle | Acid |
Want to check your exact layout?
Open Interactive Science Board Solver →4. Finish the Plant Progression
Plant
↓Seed planted
↓Small plant
↓Big plant
The Science Board is not the end of the task. Continue the Plant route until it reaches its final growth state.
Plant not growing?
5. Complete the Juicer Route
Juicer
↓Required ingredient
↓Juice produced
↓Used in Alchemy progression
The Juicer is a lab route, not a third decorative puzzle. Produce the juice and use it in the Alchemy progression.
6. Finish the Elixir
Once the Cabinet, Left / Right, Science Board, Plant and Juicer routes are complete, finish the Elixir interactions to advance Aldous and complete the task.
Why Won’t Alchemy Complete?
Puzzles
Lab routes
Alchemy Notebook Entries & 100% Extras
100% WARNING
1 optional Notebook entry available
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Back to Day 3 WalkthroughAlchemy Puzzle FAQ
01What is the Science Cabinet code?
2451.
02What is the Left / Right sequence?
Left, Left, Right, Right, Left, Right.
03What is the Science Board solution?
Use the 15-symbol 5×3 layout shown above.
04I solved 2451, LLRRLR and the Science Board. Why won’t Alchemy finish?
Check the Plant, Juicer and Elixir progression. The three visible puzzle answers are not the entire task.
05Is there a Hidden Note during Alchemy?
Yes. Assisting in Alchemy contains a Hidden Notebook entry for 100% completion.
06Do I need the Science Board Solver?
No. The page shows the complete visual solution; the Solver is optional if you want to check your current layout.
07Does the Left / Right puzzle have a secret branch?
There is an optional/secret-related state connected to this part of the task; keep 100% extras enabled if you are tracking it.