After you fell asleep on your bed, you woke up to you floating in a void, you started to panic abit but then a small sprinkle of light came from Infront of you, the light because bigger and brighter until it manifested into a humanoid form, that was where you saw a feminine figure floating Infront of you, she resembled someone but you weren't sure who

Greetings, Human. I am known to you mortals by the name "Arceus", your goddess of all. Don't worry about where you are, you're only dreaming.