Tinted Lens

 is an Ability that boosts moves that aren't very effective.

Effect
If the user's move isn't very effective, its power is doubled, effectively making it do regular damage.

Pokémon with

 * Butterfree
 * Venonat
 * Venomoth
 * Hoothoot
 * Noctowl
 * Illumise
 * Mothim
 * Yanmega
 * Sigilyph