Negative Effects

Overview

Entity components like minecraft:projectile or minecraft:spell_effects can apply negatively amplified effects on entities. Sometimes, this negative amplification reverses the effect, while other times it remains unchanged, resulting in either a level 1 effect or an effect of the same level but with a positive amplifier.

// Setting up a negative effect projectile
"minecraft:projectile": {
    "on_hit": {
        "mob_effect": {
            "effect": "jump_boost",
            "durationeasy": 600,
            "durationnormal": 600,
            "durationhard": 600,
            "amplifier": -50
        }
    }
}

Effects

Note

Upon relogging, the negative sign will be ignored, leaving you with an effect of the same level but with a positive amplifier.

Effect	Result
absorption	no changes
blindness	no changes
conduit power	no changes
darkness	no changes
fatal poison	no changes
fire resistance	no changes
haste	no changes
health boost	instantly loses health/dies
hunger	stops you from losing any hunger but does not increase the hunger bar
infested	no changes
instant damage	no changes
instant health	no changes
invisibility	no changes
jump boost	jump height decreases, this can be used to stop the player from jumping
levitation	pushes you towards the ground at the same rate as +levitation would lift you up.
mining fatigue	turns into haste
nausea	no changes
night vision	no changes
oozing	no changes
poison	no changes
regen	no changes
resistance	you take more damage
saturation	removes hunger bars at the same rate it would give it
slow falling	no changes
slowness	turns into speed
speed	turns into slowness
strength	no changes
village hero	no changes
water breathing	no changes
weakness	no changes
weaving	no changes
wind charged	no changes
wither	no changes