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From Serebii,
>For those of you who with the international games, the next Global Link promotion is due to end on Thursday. This event gives you a Gothorita with its Hidden Ability of Shadow Tag. This Pokémon wass distributed via a special code that comes in the upcoming strategy guide: "Pokemon Black Version 2 & Pokemon White Version 2 The Official National Pokedex & Guide Volume 2: The Official Pokemon Strategy Guide". The password is PGLPK15G
Rev up those Entrainment+Truant Durants and get ready for a game of Protect+Shadow Tag.
Sure you can do that with Dugtrio, but you can trap more Pokemon with Gothitelle, not to mention her better stats (except speed), and the many support moves she knows.
