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A Colossal Discovery was an event featuring return of the Legendary Titans: Regirock, Regice, Registeel and the debut of Regigigas in Pokémon GO.[1] Regigigas Special Research and some parts of the event required purchasing a ticket to unlock.


The Legendary Titans reappeared in tier 5 Raid Battles. Certain Ice-, Rock-, and Steel-type Pokémon were more frequently seen in wild and Eggs. The effectiveness of Egg Incubators was doubled.

Featured Pokémon

TodayView Icon PokemonEncounter Pokémon in wild

Following Pokémon had increased spawn rates in the wild:

Icon Rock   Icon Ground
Icon Electric   Icon Steel
Icon Ice   Icon Ground
Icon Steel   Icon Rock
Icon Ice   Icon Water

These Shiny Pokémon would be released with the start of the event:

Skarmory shiny
Icon Steel   Icon Flying
Regirock shiny
Regice shiny
Icon Ice
Registeel shiny

The following Pokémon hatched more frequently from Eggs during this event. Some of them were not available in the normal egg pools prior to the event.

Egg 5k 5-km Eggs
Shiny Pokémon
231 / 189
Shiny Pokémon
1,172 / 1,107
Shiny Pokémon
1,204 / 1,139
Shiny Pokémon
507 / 465
Egg 10k 10-km Eggs
Shiny Pokémon
1,590 / 1,515
Shiny Pokémon
558 / 513

The following Raid Bosses were available for a time of this event. On November 2nd, all Raid Eggs only took 15 minutes to hatch, and the Raid time was extended to 90 minutes. The frequency of Legendary Raid was also sharply increased.

Egg Raid Normal 1st Tier
#074 Geodude
Boss CP 4,365 CP
Max capture CP 739 CP 923 CP
Shiny Pokémon
#361 Snorunt
Boss CP 2,825 CP
Max capture CP 507 CP 634 CP
Shiny Pokémon
#374 Beldum
Boss CP 3,296 CP
Max capture CP 558 CP 697 CP
Shiny Pokémon
#403 Shinx
Boss CP 2,873 CP
Max capture CP 500 CP 625 CP
Shiny Pokémon
#599 Klink
Boss CP 3,227 CP
Max capture CP 546 CP 683 CP
Shiny Pokémon
Egg Raid Normal 2nd Tier
Exeggutor alolan
Boss CP 13,472 CP
Max capture CP 1,722 CP 2,153 CP
Shiny Pokémon
#215 Sneasel
Boss CP 10,981 CP
Max capture CP 1,172 CP 1,465 CP
Shiny Pokémon
#303 Mawile
Boss CP 9,008 CP
Max capture CP 934 CP 1,167 CP
Shiny Pokémon
#345 Lileep
Boss CP 6,539 CP
Max capture CP 738 CP 922 CP
Shiny Pokémon
#347 Anorith
Boss CP 5,017 CP
Max capture CP 874 CP 1,092 CP
Shiny Pokémon
Egg Raid Rare 3rd Tier
Raichu alolan
Boss CP 16,848 CP
Max capture CP 1,306 CP 1,633 CP
Shiny Pokémon
Boss CP 18,678 CP
Max capture CP 1,590 CP 1,988 CP
Shiny Pokémon
#213 Shuckle
Boss CP 3,892 CP
Max capture CP 231 CP 289 CP
Shiny Pokémon
#221 Piloswine
Boss CP 14,546 CP
Max capture CP 1,340 CP 1,675 CP
#227 Skarmory
Boss CP 15,182 CP
Max capture CP 1,204 CP 1,506 CP
Shiny Pokémon
Egg Raid Rare 4th Tier
Marowak alolan
Boss CP 21,385 CP
Max capture CP 1,048 CP 1,311 CP
Shiny Pokémon
#131 Lapras
Boss CP 23,476 CP
Max capture CP 1,509 CP 1,886 CP
Shiny Pokémon
#306 Aggron
Boss CP 33,326 CP
Max capture CP 1,714 CP 2,143 CP
#359 Absol
Boss CP 28,769 CP
Max capture CP 1,443 CP 1,805 CP
Shiny Pokémon
#365 Walrein
Boss CP 25,828 CP
Max capture CP 1,557 CP 1,947 CP
Egg Raid Legendary 5th Tier
#377 Regirock
Boss CP 42,768 CP
Max capture CP 1,784 CP 2,230 CP
Shiny Pokémon
#378 Regice
Boss CP 42,768 CP
Max capture CP 1,784 CP 2,230 CP
Shiny Pokémon
#379 Registeel
Boss CP 33,516 CP
Max capture CP 1,398 CP 1,748 CP
Shiny Pokémon

Shop special offer

TodayView Icon Shop Special shop offers

The following offers were available from the shop from the start of the event.[2]

Bronze Box
Special Box
PokeCoin 480
Gold Box
Ultra Box
PokeCoin 1,480
Ultra Box
Adventure Box
PokeCoin 1,480

Ticket-exclusive features

Trainers could purchase the ticket which enabled them to receive the Special Research tasks series – A Colossal Discovery if they turned on the game during local time 11 a.m. to 7 p.m. on November 2nd, 2019.

The rewards included:

  • Exclusive Field Research
  • Special Research – A Colossal Discovery: gain access to Regigigas, Sinnoh Stone, Unova Stone and more.
  • A Colossal Discovery medal
  • 10 additional Raid Passes at no cost during the Special Research time period when Trainers spun a Photo Disc at a Gym. These Raid Passes would not be available after the event period was over. Trainers could not hold more than one Raid Pass at once.
  • An exclusive avatar pose

Ticket details:

  • Sold US$7.99 (or the equivalent in local currency) and could be purchased directly from the shop. The ticket could not be purchased with PokéCoins.
  • Tickets could be purchased until Saturday, November 2nd, 2019, at 5 p.m. local time.

Field Research event tasks

TodayView Icon Research Field Research tasks

There were several Field Research tasks available exclusively to the ticket holders for the duration of the event. All of the event tasks had the same pool of Pokémon encounter rewards.

Win a Raid.
Win a Trainer Battle against another Trainer.
Make a new friend.
Trade a Pokémon with a friend.

Special Research – A Colossal Discovery

TodayView Icon Research A Colossal Discovery

Text in italics indicates changes of task after the event ended.

1st Part
Catch a Regirock, Regice, Registeel from a raid.
Win 3 raids.
Catch 7 Rock-type Pokémon.
Catch 49 Pokémon.
Evolve 7 Rock-type Pokémon.
Rewards for whole set

2nd Part
Catch a Regirock, Regice, Registeel from a raid.
Win 3 raids
Catch 7 Ice-type Pokémon.
Catch 49 Pokémon.
Evolve 7 Ice-type Pokémon.
Rewards for whole set

3rd Part
Catch a Regirock, Regice, Registeel from a raid.
Win 3 raids
Catch 7 Steel-type Pokémon.
Catch 49 Pokémon.
Evolve 7 Steel-type Pokémon.
Rewards for whole set

4th Part
Take a snapshot of a Regirock.
Take 7 snapshots of Rock-type Pokémon.
Take a snapshot of a Regice.
Take 7 snapshots of Ice-type Pokémon.
Take a snapshot of a Registeel.
Take 7 snapshots of Steel-type Pokémon.
Rewards for whole set


  1. Regirock, Regice, and Registeel reunite in raids! Prepare for a colossal discovery!. Pokémon GO Live. Retrieved on 2019-11-02.
  2. New boxes available. /r/TheSilphRoad. Retrieved on 2019-11-03.

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