Get Charged Up for Grubbin Community Day on September 23rd

Grubbin Community Day is on Sept. 23 from 2-5 p.m. local time. Grubbin will spawn frequently with increased shiny rates.
Evolving Grubbin to Vikavolt during event hours will teach it the exclusive move Volt Switch. Vikavolt is a strong bug and electric attacker.
Activate a Lucky Egg, Incense, and Mega Evolve Beedrill/Pinsir/Scizor for extra candy. Other bonuses are 3x XP, 2x candy, and reduced trade costs.
Charjabug raids from 5-10 p.m. will spawn Grubbin around the gym for 30 minutes after. You can raid for more Grubbin.
To maximize Community Day, stock up on balls, use incense/lures, check for shinies efficiently, and evolve high IV Grubbin during event hours.

polygon.com

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