How To Survive A Calamity

"On that day, Zach Harper died-"Or at least that was how it was supposed to be.I died.But there was good news, and bad news.The good news; I was reincarnated!Transmigrated into the World of Aethoria!Holy fuck, miracles do happen!But the bad news was,"Huh? What's this?"...[DING!]A New Quest has been issued:-Type:- SURVIVAL Name:- Quest To Becoming Stronger:Description:  The {Great Calamity} is coming...Get stronger and survive.Duration-: ... Reward:- ...Penalty:- Death, ???  ]...I had to survive.