Sheogorath's Rod of the Pact

While holding this rod, you gain +2 to spell attack and the saving throw DCs of your warlock spells.
In addition, you can regain one warlock spell slot as an action while holding the rod.
You can't do that again until you finish a
long rest.
''Unworthy, unworthy, unworthy! Useless
mortal meat. Walking bag of dung''