Javelin of Lightning

This javelin is a magic weapon. When you hurl
it and speak its command word, it transforms
into a bolt of lightning, forming a line 5 feet
wide that extends out from you to a target within
120 feet. Each creature in the line excluding you
and the target must make a DC 13 Dexterity
saving throw, taking 4d6 lightning damage on a
failed save, and half as much damage on a
successful one. The lightning bolt turns back
into a javelin when it reaches the target. Make
a ranged...(See Handout For Full De