No you cannot. Any thing that is meant to be used as a weapon cannot legally be carried in public. This includes kobudo weapons like bo, nunchaku, kama, etc.
This is why the term "stealth weapons" was even defined.
No
a sword
No
A celestial bronze sword.
From what i see,they only seem to carry a sword.
Yes, you can.
A celestial bronze sword.
I think so yes
helmet, sword, shield (knights)
no
to protect himself from anything harmful
i can tell you that it was very heavy to carry around.