there will be three weeks of Mega Evolution events, this event is the second one!
Global Challenge : Complete 275 million battles to unlock Mega Houndoom
See the following in game
- event-exclusive Field Research tasks
- Increased Bug Type spawns
- Different Shadow Pokemon will appear
- raid and battle-focused Timed Research
- Boosted spawns: Caterpie, Weedle, Paras, Venonat, Scyther, Pinsir, Ledyba, Spinarak, Wurmple, Kricketot, and Burmy.