The following bonuses will be active throughout the event:
- 2× XP and 2 guarenteed Candy XP for evolving Pokémon
- Lure Modules activated during the event will last for three hours.
In addition to this Special Research, Trainers can earn Stardust and Evolution items as rewards for completing a variety of Field Research tasks focused on evolving and catching Pokémon, as well as a Magnetic Lure for completing Timed Research
- Sources
Trainers! Help out Blanche during the A Mystic Hero event! – Pokémon GO
pokemongolive.com