One of the most interesting aspects of Pokemon X and Y are the O- powers. The O- Power helps you get more rewards and stats. The O-Power keeps on strengthening with the levels so that you can capture the wild Pikachu easily. During the game you get the O-powers when you meet Mr. Bonding.
So here are all the places where you can find Mr.Bonding to get O-Power, Defence Power, Speed power and many more
Sp. Defence Power: Enhances your Pokemon defense areas during battles
Location: Ambrette Hotel
Speed Power: Gives our Pokemon more speed during battle
Location: Geosenge Hotel
Befriending Power: Makes your Pokemon happy and lively
Location: Courmarine City Pokemon Center
Encounter Power: Lets you find Wild Pokemon in wild grass, flowers and cave
Location: Laverre City Pokemon Center
Stealth Power: Decreases the chance of encountering wild Pokemon in tall grass, flowers and caves.
Location: Couriway Town Hotel
PP Restoring Power: Gives your Pokemon more Powerpoint
Location: Snowbelle City
Bargain Power: Gets you cheaper items from vendor
Location: Hotel Richissime in Lumiose City
Critical Power: Gives you better chances of landing critical hits during the battle
Location: Shalour City Pokemon Center
Hatching Power: The eggs hatch early
Location: Max Style in Lumiose City
