Answer:
It happens when something has been cut with H2O.
What stays on the ground but never gets dirty?
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.
Alive without breath, As cold as death, Clad in mail never clinking, Never thirsty, ever drinking
A great mysterious place that the bold have been known to journey into.
I have two eyes in the front and a lot of eyes on my tail