XD Overlord

XD Overlord is a pet in the XD Egg (the most expensive egg in the candy area costing 750,000 candy), or obtained by unlocking slot 123 in the Rewards Area. It has a 0.00005% (1/2,000,000) chance without the 2x Luck gamepass and a 0.0001% (1/1,000,000) chance with it, with the 4x Luck gamepass it has a 0.0002% (1/500,000) chance.