Really good start
I'm honestly looking forward to more from this. Especially with the reason why the dead have become the undead.
Glad you killed off that bastard son too, he was horrible ;D
I'll be honest your art skills aren't the greatest, I just hope people don't mark you down for that because it's obvious that you are trying, your background details are great and I loved the lightning effect plus the sound, so you're without a doubt an A+ for effort, and as you continue this project your art skills will improve, and that's great because I think you're really promising, with a promising storyline.
Good luck for the future.