The field reference
Pokemon Origin HeartGold Wiki
Game-specific Pokemon data, encounters, items and battles, connected to the walkthrough.
Content reviewed
Pokedex
Species, forms, evolutions and where to find them.
Explore →920 ENTRIESMoves
Effects, learning methods and changes to familiar moves.
Explore →327 ENTRIESAbilities
Ability effects, interactions and the Pokemon that have them.
Explore →769 ENTRIESItems
Gifts, shops, held items, evolution items and costs.
Explore →138 ENTRIESLocations
Encounters, shops, battles and quests by place.
Explore →1,023 ENTRIESTrainers
Teams, battle conditions and repeat appearances.
Explore →138 ENTRIESTMs & HMs
Every machine, its location and compatible Pokemon.
Explore →85 ENTRIESMove tutors
Moves, teachers, prices and requirements.
Explore →GAME SYSTEMSEncounters
Browse wild Pokemon by area, method and time.
Explore →GAME SYSTEMSForms & evolutions
Item-based forms and the evolution rules in this version.
Explore →7 ENTRIESCalendar encounters
Annual dates, time windows and exact locations.
Explore →Check the game-specific details
Some types, evolutions and move effects differ from the original games. Pokemon pages keep each form separate. Click a supporting reference to inspect it without leaving your place.
A listed Pokemon or item is not necessarily obtainable. Important restrictions stay beside the affected entry.