Survival in the National Cemetery: Ma Xiaoling was dug up at the beginning

All the people are summoned to the graveyard world by a mysterious force.
Initially there were three tombs.
A must have living supplies.
The contents of the other two tombs are random.
Zombies, Sadako, wraiths, werewolves, vampires, liches, bone dragons, demons, generals, Shura, evil gods, etc. may be possible.
It may also be mahogany swords, black blood, silver weapons, Ma Xiaoling, Jiushu, Laotianshi, Fahai, Dasheng, Xianfoshen and so on.
in three days.
A tomb had to be dug.
Otherwise obliterate.
three days later.
Survival range expanded.
Three new tombs appeared.
A new round of survival begins.
"Survival supplies from the tomb on the left."
"The bronze armor corpse in the tomb on the right."
"The tomb of Ma Xiaoling in the middle."
Gu Bai thought that life and death depended on the sky, but he didn't expect to see a mysterious reminder, and found Ma Xiaoling at the beginning!
......
When other survivors are still surviving for each round it is time to...