Walkthrough: Route 4 will lead your character to Paniola Town. You main objective here is to defeat Hau in your next battle, as well as defeat Team Skull causing trouble with a woman and her Vulpix. After doing this, you will head off to Paniola Ranch.
Wild Pokemon:
Fishing Pokemon (Levels 10-17): Magikarp(90%), Barboach(10%)
Fishing SOS Pokemon #1 (Levels 10-17): Gyarados, Whiscash
Fishing SOS Pokemon #2 (Levels 10-17): Magikarp, Barboach
Fishing Bubble Spots (Levels 10-22): Barboach(60%), Magikarp(40%)
Fishing Bubble Spots SOS Pokemon #1 (Levels 10-22): Whiscash, Gyarados
Fishing Bubble Spots SOS Pokemon #2 (Levels 10-22): Barboach, Magikarp
Trainers:
Hau (Rowlet Starter) - Level 16 Brionne, Level 15 Pikachu, Level 14 Noibat, Level 14 Eevee
Hau (Litten Starter) - Level 16 Dartrix, Level 15 Pikachu, Level 14 Noibat, Level 14 Eevee
Hau (Popplio Starter) - Level 16 Torracat, Level 15 Pikachu, Level 14 Noibat, Level 16 Eevee
Team Skull Grunt - Level 14 Rattata
Items:
Dire Hit - Defeat Hau
Bottle Cap - Defeat Team Skull
Protector - From Captain Kiawe's Father
Quick Ball - From Captain Kiawe's Magmar
TM88 - Area Accessed via Route 6
Super Repel (Hidden) - Area Accessed via Route 6
Revive (Hidden) - Northwest Hay Wagon
Fresh Water (Hidden) - Near Lake Area
PokeMart Items (Throughout Game Progression):
Poke Ball - Great Ball - Ultra Ball - Potion - Super Potion - Hyper Potion - Max Potion - Full Restore - Revive - Antidote - Paralyze Heal - Awakening - Burn Heal - Ice Heal - Full Heal - Escape Rope - Repel - Super Repel - Max Repel - Honey - Poke Toy - Adrenaline Orb
Repeat Ball - Timer Ball - Net Ball