How do you get Thunder Blade in Fable 3?

I heard that you could get the hero, Thunder's sword. I looked up how to do It, but I couldn't find much. Finally I found something that said you have to kill 200 enemies with flourishes, kill 200 enemies with the unwoven lightning spell, complete 30 quests and open a silver key chest in Morning Wood. On my most recent account I am melee and have beat the game so I am pretty sure I have done 200 flourishes, and since I beat the game I am sure I did 30 quests. I didn't have the lightning so I got It back at the road to rule. I killed lots of things with that spell in quests and just wandering. I went to the chest in Morning Wood and unlocked it. I got something else sao I loaded back to where I did not open the chest. I went to Reaver's mansion and did The Wheel of Misfortune twice and killed every enemy with the shock spell. I went to the chest, opened it and got something else. I loaded back to where I didn't open the chest. I was wondering how to get it. And also about how many enemies do you think you have to kill in the wheel of misfortune?