Echo Locator
Echo Locator is a simple vanilla datapack that gives players a Warden‑style echolocation ability. Sneak + Right‑Click with a Spyglass to send out a pulse that makes all mobs within 25 blocks glow for 10 seconds. The ability has a 30‑second cooldown before
Echo Locator adds a simple but powerful Warden‑style scanning ability to Minecraft. Sneak + Right‑Click with a Spyglass to release an echo pulse that highlights every mob around you.
The pulse reveals all nearby threats, caves, and hidden mobs by giving them Glowing for 10 seconds. After using the ability, a 30‑second cooldown prevents spam and keeps gameplay balanced.
Features
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Sneak + Right‑Click with Spyglass to activate the pulse
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Detects all mobs within 25 blocks
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Applies Glowing (10s) for clear visibility
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30‑second cooldown between uses
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Pure vanilla — no resource pack, no custom items
Works in singleplayer and multiplayer
Lightweight and server‑friendly
Compatibility
Supports Minecraft 1.20 → 1.21.11
(Works on all versions that support the using item trigger and schedule command)
Perfect For: Survival exploration, Cave diving, Hardcore worlds, Mob hunting and Server utility packs