The Potion of Weakness (1:30) is a brew that, when consumed, reduces the drinker's melee attack damage for a duration of one minute and thirty seconds. It is particularly useful in combat scenarios where the goal is to debilitate an opponent without causing excessive harm. This potion can also be modified to create a splash potion, allowing the effect to be applied to multiple entities by throwing it.
The numerical item ID for Potion of Weakness (1:30) is 373
Numerical item IDs will only work in Minecraft versions below 1.13.
The item ID for Potion of Weakness (1:30) is minecraft:potion
This is the spawn command to give yourself Potion of Weakness (1:30) in Minecraft which includes the Minecraft /give command. If you are using the Essentials plugin you will need to use /minecraft:give instead of /give