Spear 
To dream that you are throwing a spear implies that you are using great effort and energy in order to resolve an issue or tackle a problem. It suggests that you are dedicated and willful.
Javelin
To dream that you are stabbed by a javelin denotes danger to your life and freedom.
Harpoon
To dream of wielding a harpoon symbolizes strength and power of will. You have the drive to conquer the big problem you are facing in your life, no matter how long it takes. Dreaming of being struck by a harpoon indicates that you feel hurt by unexpected consequences from your past.
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