Walkthrough: The Poni Gauntlet is home to The Battle Tree. However, before you get there, you will have to make your way through some of the most strongest trainers and toughest Wild Pokemon. And this includes Trial Captain Mina.
Wild Pokemon:
Initial Pokemon - Daytime (Levels 56-59): Pelipper(30%), Gumshoos(30%), Granbull(20%), Golduck(15%), Bewear(5%)
Initial Pokemon - Nighttime (Levels 56-59): Pelipper(30%), Raticate(30%), Granbull(20%), Golduck(15%), Bewear(5%)
Initial Pokemon - Fishing (Levels 10-59): Magikarp(59%), Barboach(40%), Dratini(1%)
S.O.S. Pokemon #1 - Fishing (Levels 10-59): Gyarados, Whiscash, Dragonite
S.O.S. Pokemon #2 - Fishing (Levels 10-59): Gyarados, Whiscash, Dragonair
S.O.S. Pokemon #3 - Fishing (Levels 10-59): Magikarp, Barboach, Dratini
Initial Pokemon - Fishing Bubble Spots (Levels 10-59): Magikarp(50%), Barboach(40%), Dratini(10%)
S.O.S. Pokemon #1 - Fishing Bubble Spots (Levels 10-59): Magikarp, Barboach, Dragonite
S.O.S. Pokemon #2 - Fishing Bubble Spots (Levels 10-59): Magikarp, Barboach, Dratini
S.O.S. Pokemon #3 - Fishing Bubble Spots (Levels 10-59): Gyarados, Whiscash, Dragonair
Level 43 Talonflame (Gale Wings) w/Firium Z - Trader Requests Bewear
Trainers:
Scientist Kyle - Level 58 Ditto, Level 59 Porygon-Z
Veteran Sheri - Level 61 Weavile, Level 61 Trevenant, Level 61 Magmortar, Level 61 Kommo-o
Backpacker Yuho - Level 59 Mimikyu
Punk Guy Troy - Level 59 Honchkrow
Punk Girl Marie - Level 59 Lycanroc
Black Belt Tracy - Level 60 Pangoro, Level 60 Machamp
Veteran Tsunekazu - Level 61 Wishwashi, Level 61 Electivire, Level 61 Turtonator
Veteran Nobuko - Level 61 Comfey, Level 61 Alomomola, Level 61 Lilligant
Captain Mina - Level 61 Klefki, Level 61 Granbull, Level 61 Shiinotic, Level 61 Wigglytuff, Level 61 Ribombee w/Farium Z
Zygarde Cells: There is two Zygarde Cells found in the Poni Gauntlet.
Items:
Guard Specs - Hidden In Grass Near Bridge
Misty Seed - Left of Black Belt
Big Pearl - South of Punk Guy & Girl
Max Elixir - South of Black Belt Tracy
Bottle Cap - Given To Mina After Defeating Her