AxeKnightmon

DarkKnightmon
DarkKnightmon is a Dark Knight Digimon whose name and design are derived from the mythological dark knight. It is the fused figure of SkullKnightmon and DeadlyAxemon, who have exchanged cups of brotherhood. Dark Knightmon, who brings the older brother's ingenuity together with the younger brother's mobility, has become a first-class warrior. The skills of DarkKnightmon, who can use the "Twin Spear" it wields to thrust, slash, sweep, or throw as the situation calls for, are very advanced, and it is said there are few people powerful enough to fight DarkKnightmon fairly to its face and defeat it. While DarkKnightmon possesses that much competency, it will use any means to achieve its goals and won't hesitate to get its hands dirty, and sometimes it will even be willing to betray its own comrades. DarkKnightmon, who is furnished to an implacable depth with merit, is an opponent that you don't want to turn into an enemy, if you can help it.

Digimon Xros Wars
Attacks
 * Twin Spear: Stabs with its Twin Spear.
 * Shoulder Blade
 * Undead Soldier
 * Treason Vortex: Spins its Twin Spear to form a vortex of darkness.

Mega DarkKnightmon
Mega DarkKnightmon is a gigantic DarkKnightmon.

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"DarkKnightmon + Duskmon"
"DarkKnightmon + Duskmon" is a DigiXros of DarkKnightmon and Duskmon. It has not been officially named.

Super DarkKnightmon
Super DarkKnightmon is the fusion of DarkKnightmon with SkullGreymon, and SkullSatamon. In this form, DarkKnightmon's cape turns into demon wings, while his weapons are enhanced: his Shoulder Blade is enlarged, with SkullSatamon's ribs as accents, and the Twin Lance is turned into a jousting lance featuring the skull and bones of SkullGreymon.