My life is Mistake

It was so strange and unexpected so my mind didn't react at the beginning. I could feel the hard cold uneven floor uner me. There were no pillows or coverlets. When it finally got to me I opened my eyes rapidly just to see old cobblestone. I panicked. Jumped on my feet and looked around like I could find a way back home but there was no door portal or anything like that. I was standing in the middle of a ruined city of some kind only in my underwear. There were cobblestone roads and small buildings made of bricks and clay with flat roofs mostly in ruins. It looked like a prehistoric settlement. Or a desert city from movies or games. There was nobody around. Normally in a situation like that you would yell to check if somebody could hear you but I didn't. I was too afraid of what could hear me. I didn't want to take any risks. So the first thing I did after was to go inside one of the ruined houses and got myself some kind of weapon. I didn't manage to find anything that could work as a club so I just took one of the bricks. Armed I started looking around. Carefully at first but as time passed I gradually stopped sneaking around and started walking normall