Instant Damage Effect

Damage a mob instantly, or heal undead mobs

✅ Verified for Java 26.2 · Bedrock 26.32 — checked June 2026

Applies the Instant Damage effect, which damages living entities but heals undead (zombies, skeletons, wither). This is useful for PvP or testing mob behavior with a creative twist.

/effect give @s instant_damage 1 1 true

39 characters

Java: yes
Bedrock: yes
Command block: yes
Needs cheats / OP: yes

How to use

Open chat (T on Java, / on Bedrock).
Paste the command (optionally target a different entity) and press Enter.
Living entities take damage; undead mobs are healed instead.

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