What is most closely the meaning of will as it is used in the passage below (lines 212-216) of beowulf?

“men climbed eagerly up the gangplank, /
sand churned in surf, warriors loaded /
a cargo of weapons, shining war-gear /
in the vessel’s hold, then heaved out, /
away with a will in their wood-wreathed ship.”
question options:

a) | verb | to make a request

b) | verb | to try to make something happen using mental powers (incorrect)

c) | noun | a deliberate intention or act

d) | noun | a legal document dividing possessions after death