Read on below to learn about Special Raid Events featuring Cobalion and Lugia in Pokémon GO:
Special Raid Weekends update—Cobalion and Lugia raids extended!
Trainers,
Cobalion and Lugia are returning to Raid Battles in Pokémon GO! We want to make sure Trainers have enough time to challenge these Legendary Pokémon, so both will be available for a longer time in raids. Please note the change in schedule below.
Date + Time
- Cobalion will be available to challenge in Raid Battles from Tuesday, March 17, 2020, at 1:00 p.m. to Monday, March 23, 2020, at 1:00 p.m. PDT (GMT −7). You’ll also have a chance to encounter Cobalion as a GO Battle League reward encounter during this time!
- Lugia will be available to challenge in Raid Battles from Tuesday, March 24, 2020, at 1:00 p.m. to Tuesday, March 31, 2020, at 1:00 p.m. PDT (GMT −7). You’ll also have a chance to encounter Lugia as a GO Battle League reward encounter during this time!
Features
-
- Cobalion will know the event-exclusive attack Sacred Sword
- Lugia will know the event-exclusive attack Aeroblast
- If you are lucky, you might encounter Shiny Cobalion and Shiny Lugia!
—The Pokémon GO team
https://twitter.com/PokemonGoApp/status/1239718110392975367
Source: Official Pokémon GO blog
Pokémon Blog 
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