Items, Event items, #429
Oak’s Letter appears in 10 version groups since Generation IV, an Event items item in the Key Items pocket
PokéAPI item 429 of 2,223, Event items category, Key Items pocket
Effect, in PokéAPI's words
Oak’s Letter: “Allows access to Seabreak path, Flower Paradise, and Shaymin.”
Grants access to Flower Paradise and Shaymin.
Games
Oak’s Letter is listed in the text of 10 version groups, first in Generation IV
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
Diamond and PearlPlatinumHeartGold and SoulSilverBlack and WhiteBlack 2 and White 2X and YSun and MoonUltra Sun and Ultra MoonLet's Go Pikachu and Let's Go EeveeSword and Shield