Metal Massacre (メタルマサカー) is one of Mature's Special Moves in the King of Fighters series, first appearing alongside her in The King of Fighters '96.
 +  or  ( OK, KOF XIII onwards) |
Description
Mature makes a rapid mid-range dash and does a horizontal one-handed slash that leaves a wake of metallic energy directly in front of her.
In KOF XV, Metal Massacre has a version where she can pass through the opponent and cross them up.
Strategy
To be added soon...