Talk to Ayumu at Rockford Bay's Pokemon Center @ -1207 27 -544

Beat Edna at the mine entrance @ -977 53 -406

• Lv 25 Nosepass

Beat Clarence next to Edna

• Lv 27 Lunatone
• Lv 25 Solrock

Beat the Cave Creeper in the mine @ -879 37 -420

• Lv 29 Golbat
• Lv 30 Graveler

Go down the hole next to the Cave Creeper and defeat Ingrid @ -925 74 -342

• Lv 31 Pupitar
• Lv 32 Camerupt

Beat Foreman Bill at the bottom of the mine @ -923 27 -338

• Lv 36 Claydol
• Lv 35 Vibrava
• Lv 35 Sudowoodo

Once you defeat him jump down the hole nearby

Beat Minoru in the mine @ -856 18 -287

• Lv 38 Kadabra
• Lv 38 Medicham
• Lv 38 Metang

Once you beat Minoru, you will complete the quest and receive the following rewards: