I've Been Revived Infinitely, and You Want Me to Save the World?

Why am I struggling in another world? To keep Earth from being destroyed and ensure humanity survives. And yet you still want to kill me? (That's cold.)

I unexpectedly came into a trillion in assets, but before I could spend a single cent, I was forced to transmigrate to a high-martial world.

I also got a System that makes me stronger whenever someone kills me.

Kill people and steal their treasures??? No, no. I get killed, then plunder my killer's cultivation!