Bo-223

{{Template:HCDigimonCardTable or
 * name=Skull Greymon
 * series=Booster 5
 * prev=Bo-222
 * next=Bo-224
 * family=
 * level=Ultimate
 * att=Virus
 * type=Undead
 * a atk=Ground Zero Kai (Ground Zero Modified)
 * a pt=520
 * b atk=Ground Zero
 * b pt=440
 * c atk=Protect (A goes to 0)
 * c pt=160
 * evo=Greymon + Win Ratio 60%

Evilmon + Win Ratio 40%

or

Shima Unimon + Win Ratio 40% }}
 * desc=Even though he's just bones, he hasn't lost his fighting instinct!
 * com=For every card in the opponent's Option Slot at the beginning of the Battle Phase attack power increases by 20
 * }