Bisharp @ Life Orb / Darkinium Z
Ability: Defiant
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Sucker Punch
- Knock Off
- Iron Head
- Protect / Low Kick

Can also go jolly - note this doesn't matter for breloom as it just mach punches you so Boosted power from Adamant helps. Would only recommend Jolly with Low Kick to beat other Bisharp