Bone Spear

You hurl a long bone at a target you can see within range and it turns into a spear mid flight. Make a ranged spell attack using your spell attack modifier. On a hit your target takes 1d6 piercing and 1d6 necrotic damage. On a miss, target takes no damage. 

At higher levels: Target takes an additional 1d6 piercing and 1d6 necrotic damage for each level above 1st.