Grass Knot doesn't have a standard base power; rather, its damage is calculated based on the weight of the target. Grass Knot's power is calculated as follows (note that the game uses weight in kilograms instead of pounds for all the cutoffs).
Target's weight
Power
metric
US customary
0.1 - 9.9 kg
0.1 - 21.8 lbs.
20
10.0 - 24.9 kg
21.9 - 54.9 lbs.
40
25.0 - 49.9 kg
55.1 - 110.0 lbs.
60
50.0 - 99.9 kg
110.2 - 220.2 lbs.
80
100.0 - 199.9 kg
220.4 - 440.7 lbs.
100
200.0 kg or more
440.9 lbs. or more
120
Description[]
Description
The user snares the target with grass and trips it. The heavier the target, the greater the move's power.