"It is Protection Band, a very powerful one. It is one use item that could defend you against the attack of powerful Tyrant and sent to you back flagged space, as long as it is within thousand kilometers," she said.
I couldn't help but impress hearing it; the band is definitely not from our world; even the most powerful protection amulets could only defend against average Tyrants. Since it is from the ruins, it will work in most areas, where even normal protection amulets did not work.
So, unless there is a jammer or Tyrant who had the special ability to disturb the space, I will be relatively safe from the above-average Tyrants; I would still be in danger if pretty powerful Tyrants attacks, so I will have to careful in not coming across the powerful Tyrants.