Rod of the Pact Keeper
Rod, Varies (Requires Attunement by a Warlock)
While holding this rod, you gain a bonus to spell attack rolls and to the saving throw DCs of your Warlock spells. The bonus is determined by the rod's rarity.
In addition, you can regain one spell slot as a Magic action while holding the rod. You can't use this property again until you finish a Long Rest.
+1 (Uncommon) — 400 gp
+1 bonus to spell attack rolls and to the saving throw DCs of your Warlock spells.
+2 (Rare) — 4,000 gp
+2 bonus to spell attack rolls and to the saving throw DCs of your Warlock spells.
+3 (Very Rare) — 40,000 gp
+3 bonus to spell attack rolls and to the saving throw DCs of your Warlock spells.