Impaling

Impaling is an enchantment for a trident, causing the trident to deal extra damage on each hit.

Usage
In Java Edition, each level separately adds 2.5 ( × $1 1/4$) extra damage to each hit, to players and underwater mobs only, which include turtles, but not drowned. Works in melee and ranged attacks.

In Bedrock Edition, each level separately adds 2.5 ( × $1 1/4$) extra damage to each hit to all players or mobs when underwater or while it's raining. Works in melee and ranged attacks.