Beryl Gym

The Beryl Gym is the former Poison type Gym of the Beryl Ward. It is led Corey who specializes in Poison-type Pokémon.
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==Puzzle==
There is a puzzle that involves six tubes in the Gym. The role and requirement of the puzzle differs in two cases.
* If you have not found all five police officers before fighting PULSE 05A - Tangrowth (Police Farce), you do not have to solve the puzzle to progress with the story. After Corey exposes himself, he can be found in the battle room. The tube puzzle is completely optional. Also, the puzzle will start like in the left photo, and your goal is to turn all tubes into red.
* If you have found all five police officers before fighting PULSE 05A - Tangrowth (Police Found), you have to solve the puzzle to progress with the story. After Corey is exposed by the police, he will hide in a secret room. You have to solve the puzzle to get access to the secret room and talk to Corey in there to get him to appear in the battle room. Also, the puzzle will start like in the right photo, and your goal is to turn all tubes into blue.
The steps to solve the Police Farce version is as follows. The photos show the result after the action in the caption is taken.
Click the tube in the bottom left corner. Then click the tube in the bottom right corner.
The steps to solve the Police Found version is as follows. The photos show the result after the action in the caption is taken.
Click the tube in the bottom right corner. Then click the tube in the top left corner.
Click the tube in the middle of bottom row. Then click the tube in the top right corner.
== Telecommunicator ==
A telecommunicator is located in the entrance of the Peridot Gym.
<tabber>
Police Farce=
Ame
<Player>?
Wait, you're at Corey's Gym?
...He's not even a Leader anymore.
What are you doing?
Well, I probably still have some notes around her from before, in case you are going to challenge him for some reason...
Corey's Corrosive Field can be very damaging to 
some Pokémon, particularly anything vulnerable to the 
Poison-type.
On top of that, it boosts the effects of almost 
everything to do with poison, and activates attacks 
like Venoshock and Venom Drench...
But! That means he's got too many eggs in one 
basket! 
If you've got Poison, or even Steel-types yourself, his 
options are very limited!
Save your offensive Pokémon to pick off things that 
can break through your anti-Poison defense.
Then all you need to do is set up and take him down!
Good luck with... whatever you're doing.
|-|
Police Found=
Ame
<Player>?
Wait, you're at Corey's Gym?
...He's not even a Leader anymore.
What are you doing?
Well, I probably still have some notes around her from before, in case you are going to challenge him for some reason...
Corey sometimes uses something called a Corrosive Mist Field.
This scary tactic will poison any active Pokémon that it can every single turn!
Although that may sound daunting, it has a glaring weakness.
Since the poison is tied to the mist, you can use the air against him!
The noxious gas is combustible, so Fire-type Pokémon can eat right through it.
Careful not to use too much fire though!
Or, if you bring a Pokémon that can clear the air, all that's left to do is power through his team like normal.
As long as you get some breathing room, you'll be just fine!
Good luck with... whatever you're doing.
|-|
</tabber>
==Sidequests and Special Encounters==
===Zorua Special Encounter===
===Silver Ring===
After you defeat Corey and witness the events on Beryl Bridge, the Silver Ring will appear in Corey's room. This item allows you to capture the Pokémon he released. All of his Pokémon except his Crobat are available.
There is no requirement or reward for catching his Pokemon. The species of his Pokemon can be obtained elsewhere as they are available as wild encounters, except Croagunk, but Toxicroak is also available as a wild encounter. 
However, some of his Pokemon are the earliest instances that you can obtain for that species. For example, wild Skrelp can only be obtained after Badge 06, but Corey's Skrelp can be obtained after Badge 02. Furthermore, all of his Pokemon have Egg Moves. Therefore, they can be useful if you plan to use them in battles. 
# 	Name	Method	Available 	Location 	Guide
690	 	Gift 	After Badge 02	The Underroot 	Skrelp Special Encounter
030	 	Gift 	After Badge 03	Beryl Cave 	Nidorina Special Encounter
453	 	Gift 	After Badge 03	Citrine Mountain	Croagunk Special Encounter
747	 	Gift 	After Badge 12	Citrine Mountain	Mareanie Special Encounter
435	 	Battle	After Badge 12	Citrine Mountain	Skuntank Special Encounter
===Final Goodbye===
After you defeat or capture his Skuntank in Citrine Mountain, you can pick up the Silver Card it was guarding.
With the Silver Card in hand, return to Corey's room once more. There is a card reader on the wall, on the doorway to Corey's office. Using the Silver Card will unlock another secret room, where some EV Boosters and a Data Chip can be obtained. On a nearby desk, Corey's final message to his daughter Heather can be read: 
"For Heather, 
By the time you read this, you will be strong. I was not raised to be strong. I was raised to be naïve, and I suffered for it. I shall not make this same mistake with you. Reality is cruel. This, I learned the hard way. this, you have grown to learn from the second you were born. I told you long ago how she passed. I did not mention who was responsible for it. Team Meteor sought to cleanse the city and restore it to its former heritage-- a holy site. To this end, they take no prisoners. I was forced to join their ranks, but I did so to sabotage them. Specifically, I sough the head of the man who killed your mother. He was after an artifact I foolishly bestowed upon her. He saw her life as a small price to pay for it. I will see to it that he pays what's due in his own blood. If you will join me, I will have you. It is your right as her daughter. The man ended her life in poison. When I discovered her IV was laced, I struck out. One of the few things I can still take pride in is that man's scream as he pulled syringe from his bleeding eye. He lived, but his wound is a mark on his life. Since then, I coveted the venom that ended Elena's life. From it, I have made poisons to corrupt. Poisons to control. And poisons to deliver retribution upon the guilty. My beautiful daughter, I could not be more proud of you for inheriting all of her friends, her strengths, and her passions. Someday, we will settle this together."
==Battles==
=== Regular Trainers ===
These trainers only appear in the Police Found route.
===Agent Corey/Agent Borealis===
<tabber>
Police Farce=
Agent Corey is battled on a Corrosive Field and has two Super Potions. 
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Police Found=
Agent Borealis is battled on a Corrosive Mist Field and has one Super Potion. 
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</tabber>
==Items==