Answer:
Runs smoother than any rhyme, loves to fall but cannot climb!
My first is in wield, sever bones and marrow. My second is in blade, forged in cold steel. My third is an arbalest, and also in arrows. My fourth is in power, plunged through a shield. My fifth is in honor, and also in vows. My last will put an end to it all.
What can you fold but not crease?
Someone walked into a room and you heard a crash! Someone died. What happened?
What is it which builds things up? Lays mountains low? Dries up lakes, and makes things grow? Cares not a whim about your passing? And is like few other things, because it is everlasting?
What do angels sing in the shower?