Minecraft Dungeons:Pain Cycle

"Attacking drains your life to grant one stack of Pain Cycle. At 5 stacks, your pain is channeled into your next attack."

- In-game description

Pain Cycle is a melee enchantment in Minecraft Dungeons in which every life drain of player after attacking grants a stack, and at 5 stacks, it is channeled into the player's next attack.

Usage
Any melee weapon enchanted with Pain Cycle causes the player to lose health after attacking, creating a stack, in which if it reaches 5, the stacks are channeled into the player's next attack with the highest being 5x damage delivered per 5 stacks.

Trivia

 * This enchantment and reckless are the only two enchantments that have negative effects as well as positive ones. Both of them were added in 1.8.0.0.