"The universe is condensed after heat death"
Wide hat, leather jacket, high leather boots, gloves
"Space is the endless salt underneath, and heat energy is the endless sea above the salt. The speed of salt dissolution is proportional to the height of the sea..."
Food, water, backpack, map
"... The sea is not calm, and when it accidentally stirs up an inevitable extreme peak, the holes underneath it that are misaligned to the gate value will form an extremely thin tunnel that continues to extend downwards and accelerates..."
There is also a gun, bullets are not necessary
"... When the sea drains away and the white earth is exposed, the universe will be nurtured underground again..."
"So?"
After sorting out the remains, it seems like there is still time to take a bath?
"... Time is kind and equal, and no living thing can return to its own past."
"Then go back to someone else's past."
Check it, there should be nothing you forgot
"Find the compass at the end of the sea of sand and swim against the current of the dead?"
"No problem. Killing yourself is a coward. I just let others help me."
It's time to go
"... Do you want me to give you an epitaph 'name'?"
"... Names come from the mouths of strangers, as is the custom here. But it doesn't matter, let's go."
Open the door, the cold moon sends light whispers
…………
After 11 years of silence, strangers enter Alder, the "place of burial" through the "Exit of the Dead" and follow the prophecies to find ways to avoid the war or return to their hometown.