Commit murder
Being a good murk, first thigs off, you slay some of these pesky ghosts. You don't really know why your boss needs those goobers killed, but you like doing it a lot, so you don't really mind.
Lift up the crate, show your strength!
You are undoubtabley strong, so much so, that you think this crate would be laughably too little to show your true capabilities. Yes. This sounds belivable enough.