Minecraft Dungeons:Chains

"Has a 30% chance to chain a cluster of mobs together and keep them bound for a short time [sic]"

- In-game description

Chains is an enchantment in Minecraft Dungeons. It grants a chance to bind mobs together with the intent of easier attacking. The duration the mobs are chained together increases with each tier.

Usage
Any melee weapon enchanted with Chains allows the player to bind mobs via chains together for the intent of easier attacking. The duration of the binding increases with each tier with the longest being 3 seconds before disappearing.

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