Daggers are a knives with a very sharp point and usually two sharp edges, typically designed or capable of being used as a thrusting or stabbing weapon.
These are one of the many weapons available in Mortal Kombat series. They appear in many different forms throughout the series and have been used by many different kombatants.
In MK11, Skarlet replaces her Tantos/Kodachi Swords for Daggers, which she uses in conjunction with her Blood Magic. Allowing the dagger to be the base when making different weapons using blood such as swords, whips and more.