Wanted to do a story about an antagonist battling an evil witch type character. The witch creates machine-like/ armored soul trapped inside with locks/a lock which imprisons the souls also powers up the machines/armors. It’s up to the antagonist to fight the witch with a special weapon that looks like a key.The key is needed to free all the trapped souls from the machine/armored entity. Not sure if this story makes any sense at all and if some of the elements are too similar to other games(ex Kingdom Hearts Keyblade).
Let me know which direction I should take.