Seth Nightroad Cosplay from Trinity Blood

Seth Nightroad is a major character in Trinity Blood and one of the original Crusniks, a group of powerful beings created using advanced nanotechnology during the Mars colonization project.

She is the Empress of the New Human Empire and a leader of the Methuselah, a vampiric race that exists alongside humans in the series’ post-apocalyptic world.

Despite her youthful appearance, Seth is highly intelligent and philosophical, often acting as a calm and strategic ruler. Her design reflects her status, blending regal clothing with subtle futuristic and gothic influences, making her a unique and recognizable cosplay choice.

Finalist for C2E2 Cosplay Central Crown Championships 2025

This cosplay took 5 months (700 hours) to make

Made in 2024-2025

Material Breakdown:

• Shoes- base shoe bought, gold leather, pink acrylic sheets

• Leggings- nude/ white leggings bought, white fabrics, gold leather, snaps

• Bum Roll- white/ nude fabrics, quilting batter

• Hoop Skirt- steel boning, white & nude fabrics, shoe lace, grommets

• Petticoat- tulle, white fabric, snaps

• Short Skirt- green/ blue/ red fabrics, gold leather, pink acrylic sheets, snaps

• Long Skirt- green/ blue/ red/ white fabrics, gold leather, pink acrylic sheets, snaps, grommets, shoe lace

• Jacket- greens/ blue/ red/ white fabrics, gold leather, pink acrylic sheets, grommets, shoe lace, velcro

• Elbow Pieces- EVA foam (airbrush painted gold), velcro

• Breastplate- EVA foam (airbrush painted gold), velcro

• Harness- FDM printed parts (airbrush painted gold, carbon fiber tubes

• Cage- FDM printed parts, EVA foam (airbrush painted gold, PVC pipe, nuts/bolts

• Neck Ruffle- green/ white/ red/ blue fabrics, snaps, Resin printed parts (airbrush painted gold)

• Contacts- from Uniqso

• Wig- base wig bought and styled

• Hat- EVA foam, Resin printed parts (airbrush painted gold), greens/ white/ red/ blue/ white fabrics, pink acrylic sheets

• Tuning Fork- FDM printed parts (airbrush painted silver), carbon fiber tubes

Want to build your own Seth cosplay?

I’ve created digital files to help you recreate parts of this costume below: