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Battle Guide: EX Challenge: Korrina (Very Hard)

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Enemy Layout

Battle 1

Front Line

Weakness
Collector & Bronzong
Move Types
Weakness
Korrina & Lucario
Move Types
Weakness
Scientist & Klink
Move Types

EX Korrina: Encounter Notes 

  • The opposing Klink / Bronzong will attempt to use an early Sandstorm.
  • There is currently a glitch in which casting Sandstorm before the opponent will cause the opponent to not move at all until they can cast Sandstorm. A strategy that exploits this can be found below (Acerola method).

Blaine/2x Hilda (No Exploit) Method

Host Team
Guest A Team
Guest B Team

Left / Middle / Center

Host: Hilda & Tepig / Cheryl & Blissey / Blaine & Ponyta

Guest A: Roxanne & Nosepass / Flint & Infernape / Blaine & Ponyta

Guest B: Hilda & Tepig / Flint & Infernape / Blaine & Ponyta

  • Cheryl & Blissey: Provides an initial buff to the ally that will be targeted next.
  • Flint & Infernape: Deals some initial damage.
  • Blaine & Ponyta: Uses Sunny Day to cancel out Sandstorm.
  • Roxanne & Nosepass: Wide Guard to neutralize Bulldoze from Bronzong.
  • Hilda & Tepig: Deal the brunt of the damage once Sunny Day goes up.

Battle Strategy

A table version of the strategy can be found below for your convenience.

# Player 1
(Guest A)
Player 2
(Host)
Player 3
(Guest B)
1
We're On Fire!

All Out of Patience!
Target ally to right
of current target
(For Def/Sp.Def buffs)

We're On Fire!
2
We're On Fire!

Switch In!
Flame Wheel

We're On Fire!
27
Enemy casts Sandstorm.
4 Target Right

Fire Punch

Sunny Day
Cancels Sandstorm
Target Right

Fire Punch
5 Target Right

Fire Punch
Target Right

Flame Wheel
Target Right

Fire Punch
6 Target

Fire Punch

Switch In!
All Out Of Patience!
Target ally with
low HP
Target

Fire Punch
27
Enemy casts Sandstorm.
8 Target

Fire Punch

Switch In!
Sunny Day
Cancels Sandstorm
Target

Fire Punch
9 Target

Fire Punch
Target

Switch In!
Flamethrower
Target

Fire Punch
27
Enemy Sync Move!
All allies likely will faint.
11
Switch In!
Study Buddies!
Target

Switch In!
Flame Charge
Target

Switch In!
Flame Charge
12
X Defense All

Try and Stop Us!

Try and Stop Us!
13
Switch In!
Sunny Day
Target

Flare Blitz
Target

Flare Blitz
27
Enemy casts Sandstorm.
15
Sunny Day
Target

Sync Move
Target

Sync Move
16
Switch In!
Wide Guard
Target

Flare Blitz
Target

Flare Blitz
17
(Guarding)

Potion
(Self)

Potion
(Self)
18
X Defense All

Potion
(Self)

Potion
(Self)
19 Target

Ancient Power
(Repeat til Unity)
Target

Flare Blitz
(Repeat til Unity)
Target

Flare Blitz
(Repeat til Unity)
20
Unity Attack 1!
21
Flame Wheel
Finish them off!

Flare Blitz
Finish them off!

Flare Blitz
Finish them off!

Video Link

Check out the video below by Fang Mashiro demonstrating the Blaine/2x Hilda (No Exploit) method! (JP)

Check out the below video by Faction demonstrating a viable strategy that does not require Roxanne or Cheryl!

Blaine/Phoebe/Hilbert Method

Host Team
Guest A Team
Guest B Team

Left / Middle / Right

Host: Hilbert & Oshawatt / Flint & Infernape / Blaine & Ponyta

Guest A: Pheobe & Dusclops / Flint & Infernape / Blaine & Ponyta

Guest B: Pheobe & Dusclops / Flint & Infernape / Blaine & Ponyta

  • Hilbert & Oshawatt: Provides attack buff for the team.
  • Flint & Infernape: Primary damage source.
  • Blaine & Ponyta: Uses Sunny Day to cancel out Sandstorm.
  • Pheobe & Dusclops: Used to stall and pass on buffs.

Battle Strategy

A table version of the strategy can be found below for your convenience.

# Player 1
(Guest A)
Player 2
(Host)
Player 3
(Guest B)
1 Target Right

Fire Punch
Target Right

Fire Punch
Target Right

Fire Punch
2 Target Right

Fire Punch

In This Together!
Target Right

Fire Punch
3 Target

Fire Punch

In This Together!
Target

Fire Punch
4 Target

Fire Punch

Sunny Day
Target

Fire Punch
5 Target

Fire Punch
Target

Fire Punch
Target

Fire Punch
6
If targeted by enemy
Switch In!
Unbreakable Bonds!

If not
Fire Punch
Target

Fire Punch

If targeted by enemy
Switch In!
Unbreakable Bonds!

If not
Fire Punch
7 Target

Double-Edge

Sunny Day
Target

Fire Punch
8 Target

Double-Edge
Target

Waterfall
Target

Double-Edge
9
Wait until enemy Sync

Wait until enemy Sync

Unbreakable Bonds!
10
Enemy Sync Move!
11
Sunny Day

Do Nothing

Unbreakable Bonds!
12 Target

Flame Wheel
Target

Fire Punch
Target

Sync Move
13 Target

Sync Move
Target

Fire Punch
Target

Double-Edge
14
Unity Attack 1!
15 Target

Flame Wheel
Target

Sync Move
Target

Fire Punch
16
Do Nothing
Target

Fire Punch

Do Nothing
17
Sunny Day
Target

Fire Punch
Target

Fire Punch
or
We're On Fire!
18 Target

Flame Wheel
Target

Fire Punch
Target

Fire Punch
19 Target

Flame Wheel

If Infernape faints
X Speed All

If Infernape faints
Raging Inferno!
20 Target

Fire Punch
Target

Waterfall

Raging Inferno!
21 Target

Fire Punch
or
We're On Fire!
Target

After Oshawatt faints
Raging Inferno!
Target

Flame Wheel
Finish them off!
22 Target

Flame Wheel
Finish them off!

Video Link

Check out the video below by AlterEgo131 who created this strategy! 

Acerola (Sandstorm Exploit) Method - PATCHED, No longer working

NOTE: As of 10/4/2019, this exploit has been patched and can no longer be used. The information is kept below for archival purposes.

Left / Middle / Center

Host: Blaine & Ponyta / Acerola & Palossand / Marley & Arcanine

Guest A: Acerola & Palossand / Flint & Infernape / Marley & Arcanine

Guest B: Marley & Arcanine / Flint & Infernape / Acerola & Palossand

  • Acerola & Palossand: Casts Sandstorm to prevent opponents from being able to cast Sandstorm. This glitches the A.I. and the enemies all will not act until they are able to cast Sandstorm themselves (which can be prevented by recasting Sandstorm). This entire strategy revolves around stalling and rotating Sandstorm while chipping away at the enemy.
  • Flint & Infernape: Deals damage.
  • Marley & Arcanine: Deals damage, also provides Speed buffs.
  • Blaine & Ponyta: Deals damage, and provides Sunny Day once all three Palossands' Sandstorms are used and expire.

Battle Strategy

A table version of the strategy can be found below for your convenience.

Battle Strategy Table (Sandstorm Exploit) - No longer working

Video Link

Check out the video below by Destiny &  胡蝶しのぶ#2779 demonstrating the Acerola Sandstorm Exploit method!

Check out the video below by Alterego131 for an alternative approach to the Sandstorm exploit!

Credits and Acknowledgments

Credits to tomy#2603, しげしげポケマス#2510 (shigeshige pokemasu) and Setallia (じゃらし)#5073 (jarashi) for outlining the Blaine/Roxanne/Hilda (No Exploit) method!

Credits to Faction✨#0705 and the crew for the alternative video of the double Hilda strategy without using Roxanne or Cheryl!

Credits to D•estiny(suru)#0878, 胡蝶しのぶ#2779, and crew for the strategy and Acerola Sandstorm Exploit video!

Credits to AlterEgo131 (Youtube) for originally discovering the Sandstorm bug and for the alternative video for the Sandstorm Exploit method!

If you are having trouble completing this encounter, consider joining our Discord! We have many players who would be happy to form a Co-op party with you and discuss strategy in Pokemon Masters!

Links - More Battle Guides

About the Author(s)

AKA: NorseFTX (Twitter: @NorseFTX)

Content Director at GamePress. Passionate about fighting games, virtual/augmented reality technology, neuroengineering, and video games in general. Classical Piano Performance, Sprite Art, and Under Night In-Birth enthusiast.

Site Lead for Pokemon Masters at GamePress. Reddit: /Takeyuki Discord: jackkimchi#0368 I love going to the gym and playing videogames in my free time. Professional experience/interests in Project Management and Data Analysis.