Signature Moves
Air Dash
Armageddon
Blackheart summons boulders from above.
Dark Thunder
Blackheart emits lightning in a button chosen direction.
Heart of Darkness
Blackheart and demons rise from the earth, juggling the opponent.
Inferno
Blackheart opens a portal on the ground that emits a column of energy. In Marvel Super Heroes, he could press punch a second time to determine the element (lightning, ice, or fire) but in later games portal distance and element are tied together.
Judgment Day
Blackheart emits a stream of demons at his opponent.