Answer:
My first keeps time, my second spends time, my whole tells time.
Slayer of regrets, old and new, sought by many, found by few.
A warrior amongst the flowers, he bears a thrusting sword. He uses it whenever he must, to defend his golden hoard.
My life is often a volume of grief, your help is needed to turn a new leaf. Stiff is my spine and my body is pale. But I'm always ready to tell a tale.
I cannot be other than what I am, until the man who made me dies. Power and glory will fall to me finally. Only when he last closes his eyes.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.