Erron Black was SonicFox's primary character in "Mortal Kombat X," and he continues to use the character as a secondary to Jacqui Briggs in "Mortal Kombat 11." Like the other top-tier characters, Black has great versatility.
His pistol and rifle attacks help him control the pace of the game, and his acid floor trap can force enemies to take damage as they try to approach him. Black also has some of the game's best mid-range attacks, making him a threat at multiple ranges.
It's a bit harder to use his tools correctly compared to Geras or Sonya, but a competent player with good fundamentals can make Erron Black look unstoppable.