Luck

Luck is a status effect that makes it more likely to receive better loot from certain loot tables in generated structures.

Effect
Adds 1 × level to attribute, making loot table entries with a high   score more likely, and entries with negative   less likely. It also increases the chances of  occurring. Currently, only fishing uses. The new weight of each entry is. Negative levels decrease luck.

Immune mobs
No mobs, except bosses, are immune to Luck, but only players are actually affected.

Trivia

 * The potion for Luck is unobtainable in survival without the use of cheats.
 * Using a fishing rod enchanted with Luck of the Sea increases a player's  attribute, but doesn't actually grant the Luck status effect.
 * Contrary to superstition, a rabbit's foot has no effect on luck, neither in the game nor in the real world.

幸运