Answer:
White fat and fluffy, May even look like a puppy. Seems heavy but is light, Floats about without a worry, But if it turns dark you have to hurry!
A man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?
A shimmering field that reaches far. Yet it has no tracks, And is crossed without paths.
I am a good state, there can be no doubt of itΝΎ But those who are in, entirely are out of it.
My first is in wield, sever bones and marrow. My second is in blade, forged in cold steel. My third is in 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.
People take me on walks and I run and have fun. What am I?