Fighting zombies in an Apocolyptic world

Two worlds suddenly murged and cultivators came running from the other side chased by zombies. Ethan was an orphaned boy who lost everything to the apocolyps. Beaten to the brink of death he received a system. Arthur: This is one of my first books so please enjoy. I feel as if this is going to be in my top 10 of all time so grab the baby oil and enjoy.