Rod of the Pact Keeper +2(guardian)

Rare

While holding this rod, you gain a bonus to spell attack rolls and to the saving throw DCs of your warlock spells. This bonus is determined by the rod's rarity. In addition, you can regain one warlock spell slot as an action while holding the rod. You can't use this property again until you finish a long rest. Minor Property: Guardian +2 on Initiative

Bracers of Defense(Wicked)

Rare

Wondrous Item, rare (requires attunement) While wearing these bracers, you gain a +2 bonus to Armor Class if you are wearing no armor and using no Shield. Wicked. When the bearer is presented with an opportunity to act in a selfish or malevolent way, the item heightens the bearer’s urge to do so.