Red pentagram with dripping effect

1280 × 1024

Glowing Red Symbol — Black

1680 × 1050

Biohazard symbol on black background

1920 × 1080

Green Biohazard Symbol — Dramatic

1024 × 768

Venom Symbol Logo — Black

1440 × 900

Yin-yang Symbol — Black

1000 × 708

biohazard symbol on black

1280 × 1024

White Rune Symbol

3840 × 2160

Purple Lantern Symbol — Dramatic

1920 × 1080

Crescent and Star Symbol

1920 × 1080

Glowing Rune Symbol

1920 × 1200

Golden Shuriken Symbol

1920 × 1080