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A Challenging Development is the second series of Team GO Rocket Leaders Special Research tasks. It was available in December 2019 for Trainers who finished A Troubling Situation and did not have any previous Team GO Rocket Leaders Special Research still ongoing. The task sets are identical to Looming in the Shadows.

Task sets[]

TodayView Icon Research A Challenging Development
1st Part
Rewards for whole set


2nd Part
Spin a PokéStop 5 days in a row
Purify 15 Shadow Pokémon
Win 5 raids
Rewards for whole set


3rd Part
Use 6 supereffective Charged Attacks in Gym battles
Win 3 Great League Trainer Battles against another Trainer
Defeat 6 Team GO Rocket Grunts
Rewards for whole set


4th Part
Defeat Team GO Rocket Leader Cliff
Defeat Team GO Rocket Leader Sierra
Rewards for whole set


5th Part
Battle the Team GO Rocket Boss
Defeat the Team GO Rocket Boss
Rewards for whole set


6th Part
Claim Reward!
Claim Reward!
Claim Reward!
Rewards for whole set

Professor Willow dialogue[]

1st Part
Professor Willow icon
  • Hey there, TRAINER. Thanks for your help holding back Team GO Rocket’s forces. It’s good to know I can rely on you.
  • However, something tells me Team GO Rocket won’t be going away anytime soon, so we’re in it for the long haul.
  • We need to think long-term about our strategy when it comes to Team GO Rocket.
  • I want to make sure only the most-prepared Trainers are equipped with Super Rocket Radar devices to track Giovanni.
  • I know you’re an accomplished Trainer, but let’s make sure your skills are keeping up with the challenge Team GO Rocket poses.
2nd Part
Professor Willow icon
  • Astounding work, TRAINER!
  • You know how purifying Shadow Pokémon makes them stronger afterward due to the gratitude they feel toward you for saving them?
  • Maybe one of the Pokémon you purify will become a trusted partner in our efforts to fight against Team GO Rocket’s invasion.
  • We need to continue saving and purifying these Pokémon.
  • Remember this: a good Trainer is strong, but a great Trainer is caring and kind.
3rd Part
Professor Willow icon
  • Fantastic! Good work purifying all those Pokémon, TRAINER. They’re practically glowing with gratitude!
  • It’s easy to tell Shadow and Purified Pokémon apart by the auras that surround them.
  • One of my favorite sights is a Purified Pokémon standing proud atop a Gym controlled by its Trainer’s team. It’s truly a thing to behold.
  • It’s time for you and your new friends to train alongside one another.
  • A difficult challenge awaits you, so you need to be prepared for battle, TRAINER.
4th Part
Professor Willow icon
  • You should feel proud of your progress, TRAINER.
  • The team leaders and I are certainly proud of how much you’ve grown as a Trainer.
  • I have one final task for you before I can be sure your skills are keeping up with an opponent like Giovanni.
  • If you can show me that you can still defeat the Team GO Rocket Leaders...
  • then I’ll know that you and your Pokémon are in top form.
5th Part
Professor Willow icon
  • Your skills are as impressive as ever. It’s time for you to take a Super Rocket Radar and see if you can track down the boss himself.
  • TRAINER, I think you’re ready to take on Giovanni again.
  • You’ve proven your strength in battle, and you’ve also shown your compassion by saving and purifying Shadow Pokémon.
  • So get out there and confront Giovanni. With loyal Pokémon at your side and lots of experience under your belt, you’re unstoppable!
  • Good luck, TRAINER!
6th Part
Professor Willow icon
  • Fantastic work, TRAINER! You should enjoy your victory, of course, but it looks like our work isn’t done.
  • While you were busy, I was doing some reconnaissance. I have to admit, it’s been quite thrilling!
  • As you might have guessed, there are many more hideouts and headquarters out there that the Team GO Rocket Leaders and Giovanni could be hiding in.
  • We may have defeated them for the moment, but I’m sure they’ll be back and causing more trouble soon.
  • When that day comes, be sure you’re ready for the challenge!
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