Food Lust
From IdleOn MMO Wiki
Defeating a Random Event boss lowers Meal upgrade cost by -20%. Stacks up to x times. Resets when meal is upgraded. Total Levels: 10/14/14+x (With Dream Cloud #26,with Endless Summoning) Defeating Random Events' Boss reduces Meal upgrade cost by 20%, stacks up to 14x times and resets after meal's upgrade