Slither Wing's Weaknesses

Best Counters

Slither Wing is especially weak against Flying type Pokemon, they will deal 4x damage to it!

The types that are strong against Slither Wing are Flying, Fairy, Fire type Pokemon.

For the best defense, Flying, Fairy, Ghost types have very effective defense against Slither Wing, and will be resistant to damage from Slither Wing's STAB attacks:

Psychic types will also deal super-effective damage against Slither Wing, but be careful using Pokemon of this type because they may also receive extra damage from some of Slither Wing's attacks!

Weaknesses

Slither Wing's type is Bug and Fighting.

Slither Wing is especially vulnerable to Flying attacks, it will receive a super effective four times (4x) the amount of damage! Since Flying type Pokemon are especially strong against Slither Wing, you should attack with this type of Pokemon.

Slither Wing has a weakness to Flying, Fairy, Fire, Psychic types. These Pokemon types will be strong against Slither Wing, causing Slither Wing to take a super effective quadruple (4x) damage from Flying type attacks, and causing Slither Wing to take a super effective double (2x) damage from Fairy, Fire, Psychic type attacks.

Please keep in mind that Slither Wing is resistant to attacks from Bug, Dark, Fighting, Grass, Ground types, and these attacks are not very effective and cause reduced damage, so they should be avoided.