In other cases, blood is a primary component as the sacrifice, or material component for a spell.

But each time she tried to cast a spell, there was never a need for material components.

What are the ultimate material components of the Universe?

He used no material components this time, just chanted softly and waved his arms in specific movements.

The results provide the occasion for a consideration of light as a material component of architecture.

Cost: Fewer material components and less installation complexity overall.

While sacred natural sites are connected to the human spirit and intangible heritage they also have strong material components.

However, most goods have both a positional and a material component.

Some spells require material components, which can be obtained by killing certain creatures.

If a caster is unable to access or use the correct material component, the spell cannot be cast.