Talk to Brayden and his friends in front of the Arc City Pokemart @ -869 37 598

Find Brayden somewhere near the Pokecenter @ -807 32 650

You will also need to battle him

• Lv 42 Tauros
• Lv 44 Absol
• Lv 45 Electabuzz
• Lv 46 Sneasel
• Lv 48 Slaking

Find Mitchell near the Docks @ -1084 20 608

You will also need to battle him

• Lv 46 Miltank
• Lv 48 Ninetales
• Lv 49 Ninjask
• Lv 52 Linoone
• Lv 50 Jumpluff
• Lv 51 Manectric

Find Eliza near the Gym @ -927 27 676

You will also need to battle her

• Lv 53 Jolteon
• Lv 55 Crobat
• Lv 57 Houndoom
• Lv 58 Starmie
• Lv 50 Dugtrio
• Lv 51 Swellow

Talk to Brayden in front of the Pokemart (-869 37 598)

After you talk to Brayden you will complete the quest and receive the following rewards: