Your MOC is very nice, but it could use some improvements. The blood and minifigs are great! The boat is great, but some things are out of place...for example the yellow house. It could be replaced with a big brick wall. Some pieces that are scattered on the floor look like they have just been thrown in. Take away some unnecessary pieces. The pirate getting his head blown off is a nice touch, but it should be clear white, not clear blue. The falling rock wall is very creative and I really like how you put the minifig exploding. The flame coming out of the cannon is very nice and detailed. You should also tile the floor, or at least some of it, and then tile the water, to give it a sleeker look. I can't wait for the improvements, if you decide to make any.