Javelin of Lightning

When the thrown javelin hits, it turns into lightning and deals an extra 4d6 Lightning damage. This power works once until a long rest.

Rarity: Uncommon. Rarity reflects the item's power and the level at which your hero is likely to find it.

This item doesn't require attunement: anyone who holds or wears it can use it right away.

A magic weapon keeps the damage, properties and mastery of its base weapon. If you have proficiency with it, you add your Proficiency Bonus as usual.