Walkthrough: After playing in your first ever Battle Royal, you can either continue on your journey with Route 7 or stay back in Royal Avenue and visit all the number of Shops.
Zygarde Cells: There are two Zygarde Cells in Royal Avenue.
Items:
Ultra Ball - In Northwest
Rare Candy - In Southeast Wood Stack (Hidden)
Tamato Berry - Megamart Free Sample
Oran Berry - Megamart Free Sample
Bluk Berry - Megamart Free Sample
Sitrus Berry - Megamart Free Sample
Mago Berry - Megamart Free Sample
Pinap Berry - Megamart Free Sample
Rawst Berry - Megamart Free Sample
Pink Nectar - Pink Flower
Lemonade - From Megamart Drifloon
Soda Pop - Near Punk Guy (Hidden)
HP Up - Behind Megamart
TM44 Rest - From Megamart Hypno
Eevium Z - Defeat Eevee User (Post Game)
PokeMart (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 - Adrenaline Orb
TM07 (Hail) - TM11 (Sunny Day) - TM18 (Rain Dance) - TM37 (Sandstorm)
Big Malasada
Battle Royal Shop:
HP Up - Protein - Iron - Carbos - Calcium - Zinc - Rare Candy - Ability Capsule
Power Bracer - Power Belt - Power Lens - Power Band - Power Anklet - Power Weight - Everstone
Bright Powder - Quick Claw - Soothe Bell - Scope Lens - Leftovers - Shell Bell - Muscle Band - Wise Glasses - Expert Belt - Zoom Lens - Metronome - Destiny Knot - Icy Rock - Smooth Rock - Heat Rock - Damp Rock - Float Stone - Binding band
Thrifty Megamart:
Poke Ball - Great Ball - Heal Ball - Nest Ball - Timer Ball
Potion - Antidote - Paralyze Heal - Burn Heal - Ice Heal - Awakening - Repel
Strange Souvenir
After Fire Island Trial
Details: After defeating your Fire Island Trial, you can find Kiawe in his home in Paniloa Town, which ultimately ends with you battling him in Royal Avenue.
Captain Kiawe - Leve 26 Growlithe, Level 26 Fletchinder, Level 27 Marowak
Post Storyline
Details: In the Post Game Storyline, after finishing all the Missions apart of your Eevee Quest, you can return to Royal Avenue to Battle the Eevee User.
Eevee User Kagetora - Level 57 Eevee