If you want to make a wreck of the valiant, simply just change all the material to rust, remove the stern (+ all the interior of the stern) and BAM! You got yourselves a wreck
Its weird that the part that split magically repairs itself. You should stay at the part where it split and see how it fixes itself, that would be cool.
+scarface ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-QuZpRE0ciSI.html&edit=vd I took the liberty (Yes I TOOK IT !!!) To try and make the request you wished. I hope you find it decent.