Has anyone had success using this guy during an Emerald run?

Somehow got a Volbeat as my route 117 encounter despite a 1% encounter chance. I have never used him or Illumise before.

Has anyone successfully used a Volbeat before? Any tips or tricks?

Somehow got a Volbeat as my route 117 encounter despite a 1% encounter chance. I have never used him or Illumise before.

Has anyone successfully used a Volbeat before? Any tips or tricks?