Katanas ( Nirichin Swords ) From 

Color: Black

Breathing Technique: Sun

Type & Shape: Standard

Text: Slay (滅めつ Metsu) – only on the second (Yoriichi) sword

Color: Yellow

Breathing Technique: Thunder

Type & Shape: Standard

Text: NA

Color: Light-Blue Grey

Breathing Technique: Beast

Type & Shape: Chipped

Text: NA

Color: Red-Orange

Breathing Technique: Flame

Type & Shape: Standard

Text: Destroyer of Demons (惡あっ鬼き滅めっ殺さつ Akki Messatsu)

Color: Blue

Breathing Technique: Water

Type & Shape: Standard

Text: Destroyer of Demons (惡あっ鬼き滅めっ殺さつ Akki Messatsu)

Color: Lavender-Blue

Breathing Technique: Insect

Type & Shape: Rod-like Stinger

Text: Evil Demon (惡あっ鬼き Akki) & Destruction (滅めっ殺さつMessatsu)

Color: White

Breathing Technique: Mist

Type & Shape: Standard

Text: Destroyer of Demons (惡あっ鬼き滅めっ殺さつ Akki Messatsu)

Color: Dark Pink

Breathing Technique: Love

Type & Shape: Whip-like

Text: Destroyer of Demons (惡あっ鬼き滅めっ殺さつ Akki Messatsu)

Color: Lavender

Breathing Technique: Serpent

Type & Shape: Twisted 

Text: Destroyer of Demons (惡あっ鬼き滅めっ殺さつ Akki Messatsu)

Color: Green

Breathing Technique: Wind

Type & Shape: Standard

Text: Destroyer of Demons (惡あっ鬼き滅めっ殺さつ Akki Messatsu)

Color: Light Pink

Breathing Technique: Flower

Type & Shape: Standard with poison

Text: Destroyer of Demons (惡あっ鬼き滅めっ殺さつ Akki Messatsu)

Color: Black

Breathing Technique: Sun

Type & Shape: Standard

Text: Slay (滅めつ Metsu)

Color: Light Pink

Breathing Technique: Flower

Type & Shape: Standard

Text: NA

Color: Red

Breathing Technique: Moon

Type & Shape: Flesh Sword

Text: NA