Blood Whip (3.5e Spell)
From D&D Wiki
|Casting time:||1 standard action|
You create a long whip made from blood that you can hold. This whip can act as a slashing weapon for the duration of the spell. It has a maximum range of 15 ft. It deals 1d6 damage +2 per level (maximum of +24). This spell cannot work underwater.
Material Component: 1 vial of preserved blood, worth about 1 gp.