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fixed blade knife need oil?

since there is no joints or moving parts is it necessary? and if so what are some options for an oil?

thanks much,
cody
its a 1095 cro-van carbon steel.

what would you suggest?
it is a hunting knife, but i really want to take good care of it. so say i dont oil it so as not to sacrifice scent, how much damage could happen to the blade?