The master bolt is Zeus's supreme bolt that he is often seen with. It was the first bolt forged by the Cyclopses, and it is extremely powerful. It is called the "master" bolt because it is greater than all the other bolts.
You should read the book, but, he took it because he was under the influence of Kronos. He wanted to start a war because he was mad at the gods.
Power
Kronos and the Titans used Luke Callestan to Steal Zeus's master lightning bolt and Hades Helm of Darkness.
Someone stole Zeus' Master Lightning bolt.
The bolt was stolen by Luke, who was being manipulated by Kronos.Luke Castellan stole Zeus's lightning bolt in the Lightning Thief.
Luke stole it, he Stole the Helm of Darkness and The Lightning Bolt
AresActually, Luke stole the bolt, and then Ares took it from him.
The master bolt was in the shield Luke gave Percy when they went to ask him about how to get to the Underworld.
Luke Castellan stole the lightning bolt
Kronos and the Titans used Luke Callestan to Steal Zeus's master lightning bolt and Hades Helm of Darkness.
Someone stole Zeus' Master Lightning bolt.
The bolt was stolen by Luke, who was being manipulated by Kronos.Luke Castellan stole Zeus's lightning bolt in the Lightning Thief.
Luke, the lightning thief, wanted to make Zeus think that Poseidon took his master bolt so there would be a war and Olympus would fall apart, so Luke can wake Cronus and gain power and control.
Yes, in fact, Zeus's thunderbolt is the Master Bolt, as talked about in "The Lightning Thief."
Luke, the son of Hermes steals the lightning bolt. He is then found by Ares were Luke convinces him to take it himself. Ares then gives it to Percy disguised as a bag.
Luke stole it, he Stole the Helm of Darkness and The Lightning Bolt
Pecy, Grover, Annabeth, and Luke because it's all about Percy's going to get the Master Bolt.
AresActually, Luke stole the bolt, and then Ares took it from him.
Percy returns the master bolt to Zeus. Then in a few months he is betrayed by Luke Castellan, and figures out that he has to stop Kronos.