Bone Shards

Caster sends small shards of bone in choice of cone or line up to 15 feet causing 2d4  piercing damage plus their spell modifier.

This spell uses the the skeletal remains or bones from creatures to create a projectile weapon. Caster chooses a corpse or skeleton within 15 feet of target, if target is not within 15 feet, caster can choose to use action to gather shards for next attack. The caster can hold up to 3 charges at a time, charges last 10 hours. Bone shards levitate with a ghostly teal glow.

. *If choosing from a living or undead creature, player or monster must make a CON saving throw, takes 1d6 necrotic damage on a failed save and rolls with disadvantaged until next turn or half as much damage on a successful one.

*The caster of the spell must have knowledge of a corpse's location and be within 15 feet in order to cast the spell. Add +2 uses  pending size of creature, Small Corpse = 3 uses, Medium Corpse = 5 uses, Large Corpse = 7 uses etc.

At Higher Levels. Level 5: 3d4 and 20 foot range, level 10 4d4 and 25 foot range, level 15 5d4 and 30 foot range