I'm in the Doomsday Dungeon to Get the Minimum Living Standard

The end is coming, and the world is awakening. Lin Mo awakens S-level talent [Dungeon Minimum Guarantee User] - Entering the dungeon for the first time every day will get a guaranteed reward. Others laugh at him for being the most useless S-level person, who kills monsters and uses magical equipment in his hometown. He punches in every day and receives subsistence allowances, a bottle of water and a bag of cakes, just to survive. It wasn't until one day that he used his guarantee to draw a skill fragment to synthesize [Appraisal Technique], and then he discovered that there were artifacts hidden in the junk pile, and epics could be picked up in the scrapyard. While everyone was working hard in the dungeon, Lin Mo relied on a daily subsistence allowance to quietly accumulate space equipment, damage-increasing spells, and sealing scrolls... The S-level world BOSS has arrived, and all guilds are retreating. At the critical moment, Lin Mo took out a handful of guaranteed props: "I heard that you call this trash?" [Guaranteed once a day, a bottle of water at the beginning, and all equipment depends on receiving it. Who said S-class waste? My subsistence allowance is even afraid of God!