Staff of Ruin

Weapon Magical, Versatile Varies (this item requires attunement)

If you haven't dealt thunder damage with this weapon since the end of your last turn, you deal an extra d4 lightning damage per previous hit made this round.   If the Staff of Ruin hasn't dealt lightning damage since the end of your last turn, you cast Booming Blade with this weapon,as if you were a 5th level character.   If you haven't dealt lightning or thunder damage since the end of your last turn you may choose witch of the first two properties to use.   As an action you can Invoke Ruin, with this you may choose Jagged or Roaring Ruin.   Jagged Ruin: Anyone with 120 ft of you who has suffered lightning damage since the start of your last turn, takes d4 lightning damage pulled 30ft towards you, and are restrained until the start of their next turn.   Roaring Ruin: Anyone with 120 ft of you who has suffered thunder damage since the start of your last turn, takes d4 thunder damage and has Thunder Wave cast from them.   Once you use this feature it can't be used again until you take a short rest.