Keen Eye
This Pokémon cannot have its accuracy lowered. This ability does not prevent any accuracy losses other than stat modifiers, such as the accuracy cut from fog; nor does it prevent other Pokémon's evasion from making this Pokémon's moves less accurate. This Pokémon can still be passed negative accuracy modifiers through heart swap. Overworld: If the first Pokémon in the party has this ability, any random encounter with a Pokémon five or more levels lower than it has a 50% chance of being skipped.
Pokémon with this ability

Pidgey

Pidgeotto

Pidgeot

Spearow

Fearow

Farfetch’d

Hitmonchan

Sentret

Furret

Hoothoot

Noctowl

Sneasel

Skarmory

Wingull

Pelipper

Sableye

Starly

Glameow

Stunky

Skuntank

Chatot

Skorupi

Drapion

Patrat

Watchog

Ducklett

Swanna

Rufflet

Braviary

Espurr

Meowstic

Pikipek

Trumbeak

Toucannon

Rockruff

Lycanroc

Rookidee

Corvisquire

Bombirdier