Shudders when a Pokemon that knows a super-effective attack comes within 25 feet. The effect occurs whether the Pokemon is an ally or not. The effect is unchanged by the details of the attack or the amount of qualifying attacks.
Eevee
Vaporeon
Jolteon
Flareon
Espeon
Umbreon
Leafeon
Glaceon
Sylveon
Tarraggeon
Maleveon
Wormadam