List of in-game event Pokémon in Pokémon Omega Ruby and Alpha Sapphire

:For a similar list from , see List of in-game event Pokémon in Pokémon Ruby and Sapphire. For a similar list from , see List of in-game event Pokémon in Pokémon Emerald.
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This is a list of Pokémon obtainable from events found in Pokémon Omega Ruby and Alpha Sapphire. These specific instances of Pokémon can only be obtained once per game; however, some may also be obtained in other ways as well.
==List of Pokémon==
===Hoenn first partner Pokémon===
Upon entering , a attacks Professor Birch and the has the option to choose between , , or from Professor Birch's bag.
====Treecko====
====Torchic====
====Mudkip====
===Johto first partner Pokémon===
After entering the Hall of Fame, upon entering and exiting the player's house after speaking to Zinnia, a attacks Professor Birch and the will have the option to choose between , , or from Professor Birch's bag.
====Chikorita====
====Cyndaquil====
====Totodile====
===Unova first partner Pokémon===
After the Delta Episode is completed and a Johto first partner Pokémon is chosen, a mover will attack Professor Birch and the will have the option to choose between , , or from Professor Birch's bag.
====Snivy====
====Tepig====
====Oshawott====
===Sinnoh first partner Pokémon===
After the player enters the Hall of Fame for the second time, if they have already selected a Johto and a Unova first partner Pokémon, Professor Birch will be attacked by his own wife and the will have the option to choose between , , or from Professor Birch's bag.
====Turtwig====
====Chimchar====
====Piplup====
===Wynaut Egg===
The old woman by the sand baths in Lavaridge Town will give the a .
===Togepi Egg===
The old woman by the sand baths in Lavaridge Town will give the a after Groudon/Kyogre has been captured or defeated.
===Grunt gifts===
In the Battle Resort, two grunts will give the player the signature Pokémon of their respective teams.
====Camerupt====
The will give the player a . It has a Quiet Nature.
====Sharpedo====
The will give the player a . It has an Adamant Nature.
===Beldum===
After the Delta Episode is completed, Steven Stone will leave a present at his house containing a .
===Cosplay Pikachu===
After the participates in a Contest, an NPC will give them a Cosplay Pikachu. All of its Contest conditions are increased.
====Male player character====
====Female player character====
===Castform===
After Team Magma or Team Aqua is defeated at the Weather Institute, the scientist will reward the player with a for saving them. Its Beauty is increased.
===Eon duo===
 or with its respective Mega Stone will automatically join the player's party after the Team Magma/Team Aqua members at Southern Island are defeated. Latios is exclusive to Omega Ruby, while Latias is exclusive to Alpha Sapphire. The other Eon Pokémon not found in the respective versions can be found and caught in Southern Island by showing the Eon Ticket to Norman.
====Latios====
====Latias====
===Legendary giants===
The caves where the legendary giants can be caught can be accessed only after they are unlocked in the Sealed Chamber. This requires bringing a Pokémon that knows to access the hidden room, and then reading the back wall in that room with a in the lead spot of the party and a in the last spot.
====Regirock====
To solve the puzzle leading to in the Desert Ruins, the player must go two steps right from the Braille inscription, then two steps down, and then use .
====Regice====
To solve the puzzle leading to in the Island Cave, the player must read the Braille inscription in the rear of the entrance room, then wait two minutes without moving.
====Registeel====
To solve the puzzle leading to in the Ancient Tomb, the player must use in the center of the room.
====Regigigas====
To encounter Regigigas in the Island Cave after capturing Regice, the player must have a nicknamed Regice holding a "cold item" (a Casteliacone, a Never-Melt Ice, an Icy Rock, an Icicle Plate, or a Snowball), as well as and in their party. Regigigas cannot be encountered during nighttime or until after capturing/defeating /.
===Game mascots===
====Groudon====
 is Omega Ruby. It is encountered in the Cave of Origin, during the climax of the game.
It is encountered as Primal Groudon. If it is run from during the storyline, or if the player's party is knocked out, it will not disappear and the story will not progress. If it is knocked out or (after the main storyline) run from, it will reappear in the Cave of Origin after the player next enters the Hall of Fame.
====Kyogre====
 is Alpha Sapphire. It is encountered in the Cave of Origin, during the climax of the game.
It is encountered as Primal Kyogre. If it is run from during the storyline, or if the player's party is knocked out, it will not disappear and the story will not progress. If it is knocked out or (after the main storyline) run from, it will reappear in the Cave of Origin after the player next enters the Hall of Fame.
===Heatran===
 can be found in the portal on the deepest floor of Scorched Slab, after the player has captured or defeated Groudon/Kyogre.
===Spiritomb===
 can be found in Sea Mauville after Groudon/Kyogre has been captured or defeated.
===Tower duo===
 or can be found in Sea Mauville after Groudon/Kyogre has been captured or defeated.
====Ho-Oh====
Ho-Oh can be found in the portal on the top deck of Sea Mauville, if the player has the Clear Bell. Captain Stern gives the Clear Bell to the player in exchange for the Scanner in Pokémon Omega Ruby.
====Lugia====
Lugia can be found in the portal in the underwater control room of Sea Mauville in Alpha Sapphire, if the player has the Tidal Bell. Captain Stern gives the Tidal Bell to the player in exchange for the Scanner in Pokémon Alpha Sapphire.
===Delta Episode===
====Rayquaza====
 is found on top of the Sky Pillar, which cannot be accessed until the climax of the Delta Episode. It must be captured to progress the storyline. Even if the player runs from it, defeats it, or loses to it, it will not disappear.
During the battle with Rayquaza, it has instead of , but immediately after the battle, Zinnia will replace Rayquaza's Fly with Dragon Ascent.
====Deoxys====
Immediately after capturing Rayquaza and battling Zinnia, the player flies on the back of Mega Rayquaza to stop the meteorite at the edge of space. Upon destroying it, emerges from it and attacks the player. If it is knocked out or run from, it will reappear at the summit of Sky Pillar each time the player enters the Hall of Fame again.
===Mirage spots===
====Cresselia====
While soaring in the sky, the Mirage spot Crescent Isle will randomly appear. Cresselia can be battled in a portal here.
====Legendary beasts====
While soaring in the sky, the Mirage spot Trackless Forest will appear if the player has or in their party. , , and can be battled in a portal here; which one is encountered depends on the time within the hour.
=====Raikou=====
 appears in the first 20 minutes of every hour.
=====Entei=====
 appears in the middle 20 minutes of every hour.
=====Suicune=====
 appears in the final 20 minutes of every hour.
====Lake trio====
By soaring in the sky, the Mirage spot Nameless Cavern is accessible if the player has three Pokémon with maximum friendship in their party. , , or can be battled in a portal here; which one is encountered depends on the time of day.
=====Uxie=====
 appears in the evening, from 8PM to 9PM.
=====Mesprit=====
 appears during the day, from 4AM to 8PM.
=====Azelf=====
 appears at night, from 9PM to 4AM.
====Swords of Justice====
While soaring in the sky, the Mirage spot Pathless Plain will appear if the player has three Pokémon with 510 s in their party. , , and can be battled in a portal here; which one is encountered depends on the day of the week.
=====Cobalion=====
 can be found on Sunday, Wednesday or Friday.
=====Terrakion=====
 can be found on Tuesday or Saturday.
=====Virizion=====
 can be found on Monday or Thursday.
====Tao duo====
While soaring in the sky, the Mirage spot Fabled Cave will appear if the player has a level 100 Pokémon in their party. or can be battled in a portal here.
=====Reshiram=====
=====Zekrom=====
====Kyurem====
While soaring in the sky, the Mirage spot Gnarled Den will appear if the player has both and in their party. can be battled in a portal here.
===Soaring===
====Pokémon of Myth====
=====Dialga=====
While soaring in the sky in Pokémon Alpha Sapphire, a Dimensional Rift will appear if the player has , , and in their party. Entering the rift will initiate a battle with .
=====Palkia=====
While soaring in the sky in Pokémon Omega Ruby, a Dimensional Rift will appear if the player has , , and in their party. Entering the rift will initiate a battle with .
=====Giratina=====
While soaring in the sky, a Dimensional Rift will appear if the player has both and in their party. Entering the rift will initiate a battle with .
====Forces of nature====
=====Tornadus=====
While soaring in the sky in Pokémon Omega Ruby, a Storm Cloud will appear if the player has in their party. Entering the cloud will initiate a battle with .
=====Thundurus=====
While soaring in the sky in Pokémon Alpha Sapphire, a Storm Cloud will appear if the player has in their party. Entering the cloud will initiate a battle with .
=====Landorus=====
While soaring in the sky, a Storm Cloud will appear if the player has both and in their party. Entering the cloud will initiate a battle with .
==See also==
* Gift Pokémon
* Roaming Pokémon
* Soaring in the sky
Category:In-game event Pokémon