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Antitoxin Workshop upgrade costs

Max level 30You can build 1Tier BLevels held 30

What it raises

Antitoxin Output/HourMax Production Time

Upgrades to Antitoxin Workshop are gated behind Sanctuary levels 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30 — the run will not start until the Sanctuary is there first.

Cost a run on Antitoxin Workshop

Every level in between, added up — with the build time and the Sanctuary level the run is gated behind, which is the part a resource total on its own will not tell you.

From level

To level

Every level we hold

Level	Grain	Timber	Herb	Time	Power	Needs Sanctuary
1	9	9	—	2s	400	5
2	148	148	—	5s	1 200	5
3	677	677	—	30s	1 600	5
4	1 628	1 628	—	3m 40s	2 300	5
5	3 555	3 555	—	5m	3 000	5
6	10K	10K	—	8m	3 400	6
7	21K	21K	—	10m 40s	4 000	7
8	32K	32K	—	25m 50s	4 700	8
9	52K	52K	17K	35m 55s	5 400	9
10	63K	63K	19K	44m 47s	5 800	10
11	157K	157K	51K	54m 15s	6 600	11
12	259K	259K	87K	1h 10m	7 600	12
13	282K	282K	93K	1h 31m	8 300	13
14	392K	392K	132K	1h 59m	9 400	14
15	574K	574K	176K	2h 46m	10K	15
16	968K	968K	330K	3h 53m	12K	16
17	1.24M	1.24M	421K	5h 27m	14K	17
18	2.29M	2.29M	720K	7h 37m	16K	18
19	2.71M	2.71M	879K	10h 41m	19K	19
20	4.88M	4.88M	1.63M	14h 57m	23K	20
21	7.01M	7.01M	2.31M	20h 2m	27K	21
22	9.06M	9.06M	2.83M	1d 2h	32K	—
23	10.84M	10.84M	3.45M	1d 9h	37K	23
24	14.19M	14.19M	4.66M	1d 23h	43K	24
25	24.51M	24.51M	7.51M	2d 18h	51K	25
26	34.87M	34.87M	10.82M	3d 20h	60K	26
27	43.55M	43.55M	14.39M	5d 10h	70K	27
28	61.41M	61.41M	20.97M	7d 14h	83K	28
29	86.53M	86.53M	29.02M	9d 20h	98K	29
30	125.5M	125.5M	40.56M	12d 19h	115K	30

Where these come from

Single source1 source · verified 2026-09-03 · patch S4

rtfm.codes — "name":"Antitoxin Workshop"captured 2026-09-02

On the precision of these figures

The game displays costs rounded to four significant figures. A level that reads 16.67M is somewhere between 16.665M and 16.675M, and a total across many levels carries every one of those roundings with it. We print what the game printed rather than a false precision of our own.

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An unofficial community reference for Last Asylum: Plague, not affiliated with its publisher. Every number carries its source. Last verified 2026-09-07 · patch S4. How we verify → · What we collect →