Here is the full list of all 75 Idle magic herb achievements.
level 02
level 01
01 monster 1000
02 monster 1000
03 monster 1000
04 monster 1000
05 monster 1000
06 monster 1000
07 monster 1000
08 monster 1000
09 monster 1000
10 monster 1000
11 monster 1000
12 monster 1000
13 monster 1000
14 monster 1000
15 monster 1000
16 monster 1000
17 monster 1000
18 monster 1000
19 monster 1000
20 monster 1000
21 monster 1000
22 monster 1000
23 monster 1000
24 monster 1000
25 monster 1000
26 monster 1000
27 monster 1000
28 monster 1000
29 monster 1000
30 monster 1000
01 spell level 100
02 spell level 100
03 spell level 100
04 spell level 100
05 spell level 100
06 spell level 100
07 spell level 100
08 spell level 100
09 spell level 100
10 spell level 100
11 spell level 100
12 spell level 100
13 spell level 100
14 spell level 100
15 spell level 100
16 spell level 100
17 spell level 100
18 spell level 100
19 spell level 100
level 03
level 04
level 05
level 06
level 07
level 08
level 09
level 10
level 11
level 12
level 13
level 14
level 15
level 16
level 17
level 18
level 19
Level 1 fairy grass
Level 2 fairy grass
Level 3 fairy grass
Level 4 fairy grass
Level 5 fairy grass
All fairy grass
40 culture pots