Lightning Bolt is one of the most powerful electric-type moves in Pokémon Brilliant Diamond and Brilliant Pearl. This move has a whopping 90 power and 100 accuracy, creating a lethal force that almost always hits. Before you can get this powerful move, there are a few things you need to complete. Here's how to get your hands on this powerful TM.
Before chasing this TM, you must first defeat the Canalave City Gym Leader to unlock the ability to use the hidden Surf move outside of battle. Don't worry about losing the Surf skill as you get it throughout the story when talking to Cynthia's grandmother in Celestic Town. Gives you the hidden ability after discovering the information in the ruins.
After defeating the Gym Leader, you can now sail across the rivers of Sinnoh. Back to Valley Windworks. You should remember this area as the first place you fight Team Galaxy. On my way to Valley Windworks. stop when you see the bridge. Use Water Surf and travel east to Valley Windworks. Follow the river behind Valley Windworks to where there is a small landing. On the landing is where you will find the TM.
If you want to buy Thunderbolt, you can go to the Veilstone City department store. Go to the third floor and you can buy the TM for 3.000 PokéDollars.