A Quan Chi attack added in an official update. Later patches changed it to an overhead and adjusted its tracking.

Quan Chi moves, skills and special abilities
Mortal Kombat 1 Kombat Pack fighter.
Basic Attacks
5Directional or character-specific normal attack.
Directional or character-specific normal attack.
Directional or character-specific normal attack.
Directional or character-specific normal attack.
Special Moves
7Character special move.
Character special move.
Quan Chi's skull projectile. Official hotfixes have changed its startup timing and interactions with Quan Chi's zones.
A Quan Chi zone special added in an official Mortal Kombat 1 update. It drains the opponent's meter and can grant Quan Chi temporary armor if the opponent remains inside long enough.
Quan Chi's bone-cage special. Official updates expanded how the cage activates and increased its duration.
Character special move.
Character special move.
Equippable Moves
1Equippable move.
Kombos
7Ground kombo string.
Ground kombo string.
Ground kombo string.
Ground kombo string.
Ground kombo string.
Ground kombo string.
Ground kombo string.
Aerial Kombos
3Aerial kombo string.
Aerial kombo string.
Aerial kombo string.
Fatal Blow
1Fatal Blow.
Fatalities
2Fatality. Perform at mid distance.
Fatality. Perform at mid distance.
Brutalities
7Hold Down during the hit. Final hit must come from Into The Nightmare Realm.
Press Down, Down, Down during the hit. Final hit must come from From The Fog.
Hold 2 during the hit. Final hit must come from Head Rush. Must be at jump distance.
Press Down, Down, Down during the hit. Final hit must come from Falling Death.
Hold 4 during the hit. Final hit must come from Enhanced Head Rush. Must be at jump distance.
Hold 2 during the hit. Final hit must come from Soul Extinguisher.
Hold 1 during the hit. Final hit must come from Koccyx Krusher.
Animality
1Animality. Perform at mid distance.