Reward – Use Supereffective Charged Attack in 7 Gym Battles

What is the reward for the Field Research quest:
Use  Supereffective Charged Attack in 7 Gym Battles

If it’s an encounter, the reward is a Level 15 Electabuzz

The other possible rewards for this quest, that aren’t encounters are:

2000 Stardust
6 Revives
3 Super Potions
1 Max Revive
1 Rare Candy

7 Super Effective Charge Moves Reward: Electabuzz
Use a Supereffective Charged Attack in 7 Gym Battles Reward: Electabuzz