The Strongest Doomsday Summoner

"Ding..." "Kill 1 junior zombie, reward points 1, summoner experience +10" "The summoner has met the upgrade conditions. Do you want to upgrade?" "Upgrade!" Without further ado, here are the updates, starting from 10,000 updates every day before they are put on the shelves, after they are put on the shelves... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.