The Potion of Weakness (4:00) is a brew that, when consumed, reduces the drinker's melee attack damage for four minutes. It is crafted by adding a fermented spider eye to a water bottle or by corrupting a Potion of Strength using the same ingredient. This concoction is particularly useful in weakening enemies or for curing zombie villagers when combined with a golden apple, facilitating their transformation back into villagers.
The numerical item ID for Potion of Weakness (4:00) is 373
Numerical item IDs will only work in Minecraft versions below 1.13.
The item ID for Potion of Weakness (4:00) is minecraft:potion
This is the spawn command to give yourself Potion of Weakness (4:00) 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