Fantastic Fishing Advanced Bundle
Double-click to obtain Secret Embryo Bait Coupon (600 pcs.), Master Fisherman's Blessing (1-hour) (4 pcs.), and Fishing Dock Pass Box (1-hour) (4 pcs.).
Not dropped by monsters.
Cannot be spoiled.
The chances are official (x1). On servers with x10, x100 and higher rates, drop and spoil come more often.