Knockback (mechanic)

Knockback represents the pushback from attacks or natural causes.

Attack knockback

When receiving damage from players, mobs, explosions, and most projectiles, entities are also knocked back. The direction of knockback is determined by the direction of the incoming attack.

Versus grounded entities

Knockback dealt to grounded entities knocks them into the air and away from the attack.

Versus airborne entities

Knockback dealt to airborne entities differs between Java Edition and Bedrock Edition. In Java Edition, knockback against airbone entities only knocks them away from the attack and does not knock them further into the air. In Bedrock Edition, knockback against airborne entities is identical to knockback against grounded entities.

Versus entities in vehicles

Entities inside minecarts or boats, as well as entities that are riding mountable entities like horses and camels, never receive any knockback when attacked.

Versus entities during attack invulnerability time

Knockback dealt to entities during attack invulnerability time, the 0.5 seconds (500ms) of invulnerability received after taking damage, differs between Java Edition and Bedrock Edition. In Java Edition, knockback against invulnerable entities is completely negated, except for when attacking with a sword that has the Knockback enchantment. In Bedrock Edition, knockback against invulnerable entities is identical to knockback against grounded and airborne entities, which results in higher CPS (clicks per second) giving higher knockback.

Knockback sources

Natural damage

Most natural damage sources, damage sources that are received indirectly, cause a stutter in movement but do not deal any horizontal knockback. Natural damage sources that cause a movement stutter include damage from burning, drowning, lightning, falling, suffocation, entity cramming, starvation, and status effects like Poison, Wither, and Instant Damage. Block-inflicted damage from fire, cactus, lava, magma blocks, campfires, and sweet berry bushes also cause the same movement-stuttering knockback.

Other indirect damage sources deal knockback in the traditional manner rather than causing a movement stutter. This includes the breath attack of the ender dragon, the beam attack of guardians and elder guardians, the sonic boom attack of wardens, the roar attack of ravagers, evoker fangs, damage from the Thorns enchantment, and the effect cloud from lingering potions of Harming.

Knockback received from players or mobs using a sword enchanted with Knockback is greater than normal.

Damageless attacks

Attacks that deal 0HP or less fail to deal knockback. The Weakness status effect can cause attacks that deal 0HP, causing them to deal no knockback.

Snowballs and eggs

Thrown eggs and snowballs cause knockback to mobs even if they do not deal any damage. In Bedrock Edition, thrown eggs and snowballs also apply knockback to players.

Sprint-knockback attack

Attacking while sprinting causes a sprint-knockback attack to be performed, causing extra knockback and playing a unique sound. Sprint-knockback attacks require an attack cooldown charge of at least 84.8% in Java Edition, and performing a sprint-knockback attack cancels a sprint.

Knockback resistance

Attribute

Knockback resistance reduces knockback by multiplying the velocity value that a mob receives from an attack's knockback. If the velocity the mob would have without any knockback resistance is ${\displaystyle v}$, and the mob has a knockback resistance of ${\displaystyle r\mathrm{\%}}$, then the mob's actual velocity is determined by the formula ${\displaystyle A=v\times (1-\frac{r}{100})}$. Each piece of netherite armor adds 10% knockback resistance to its wearer, giving 40% knockback resistance with a full set.

Natural knockback resistance

Certain mobs have natural knockback resistance that causes them to resist knockback from attacks. Iron golems, shulkers, agents, NPCs, wardens, and ender dragons have 100% knockback resistance, while other mobs have varying levels of knockback resistance.

Mob	Knockback resistance
Agent	100% (are invulnerable)
Drowned	0%–5% (determined on spawn)
Hoglin	60%
Husk	0%–5% (determined on spawn)
Glow Squid	85%
Iron Golem	100%
NPC	100% (are invulnerable)
Polar Bear	60%
Ravager	70%‌ 50%‌
Squid	85%
Shulker	100%
Warden	100%
Zoglin	60%
Zombie	0%–5% (determined on spawn)
Zombie Villager	0%–5% (determined on spawn)
Zombified Piglin	0%–5% (determined on spawn)

Sounds

Java Edition:

History

Issues

Issues relating to "Knockback" are maintained on the bug tracker. Issues should be reported and viewed there.

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