You're in your basement uncovering an "Time machine" you bought off the black market, you never thought it would do anything though you decided to try it anyway

You hook everything up and equip yourself with some weapons and armor just in case, you step on the platform and decide to set the date to a random Era and click "Travel"

to your amazement the machine starts up, then suddenly, a beam of light surrounds you, next thing you know your in an alleyway in a medieval kingdom.