The Legendary Pokemon Giratina will return with its Altered Forme and will then transform into its Origin Forme!
From March 28, 2019 at 1pm PDT until April 2, 2019 at 1 pm PDT Giratina (Altered Forme) will return to legendary raids.
From April 2, 2019 at 1pm PDT until April 29, 2019 at 1 pm PDT Giratina (Origin Forme) will be available in legendary raids.
This is your second chance to capture the Altered Forme, which is the king of PvP battles! Good luck!