Luminous Legends Y

Luminous Legends Y was the second of two events in Pokémon GO based on Kalos Legendary Pokémon, this one being for Yveltal.

Two Pokémon Spotlight Hours featuring Alolan Rattata and Marill respectively, and a Special Weekend were available during this event.

The event was split into two parts. Part 1 contained a Global Challenge that influenced rewards and spawns in Part 2.

Whole event
During this event Team GO Rocket Balloons could appear in a four-hour window instead of six-hour (from 00:00 to 03:59, 04:00 to 07:59 and so on), thus Trainer had a chance to encounter six balloons a day.

Timed Research
Luminous Legends Y Timed Research was available during the event:

Featured Pokémon
These Pokémon were released at the start of the event:

These Shadow Pokémon were released at the start of the event:

These Shiny Shadow Pokémon were released at the start of the event:

These Pokémon had increased spawn rates in the wild and from Incense or Lure Modules:

These Pokémon would hatch from 7-km Pokémon Eggs obtained during the event:

These Raid Bosses were available during the event:

Field Research event tasks
These Field Research tasks were available during the event:

Global Challenge
During the event, a global challenge was available. The bonus will be applied during the second part of the event if completed.

Featured Pokémon
These Pokémon were released at the start of the second part of the event:

These Shiny Pokémon were released at the start of the second part of the event: PS Zigzagoon PS Linoone PS Sylveon PS Sylveon PS Obstagoon

These Pokémon had increased spawn rates in the wild and from Incense or Lure Modules:

In addition, some Dark-type Pokémon from the Part 1 of the event had increased spawn rates still.

These Pokémon would hatch from 7-km Pokémon Eggs obtained during the event:

These Raid Bosses were available during the event:

Field Research event tasks
These Field Research tasks were available during the event:

Avatar items
These Sylveon-inspired avatar items were released at the start of Part 2 of the event:

Stickers
These stickers were released at the start of the Part 2 of the event: