You gain a +10 to your maximum hitpoints.You gain a +2 bonus to all saving throws.

Whenever you roll a 1 on an attack roll, saving throw or skill check in combat, you are healed for a number of hitpoints equal to your Constitution modifier (The heal takes place after the effect of the roll, e.g you miss and then you are healed, not before.).

You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of gray.

As an action on your turn, you can cower pathetically to distract nearby foes. Until the end of your next turn, your allies gain advantage on attack rolls against enemies within 10 feet of you that you can see. Once you use this trait, you can't use it again until you finish a short or long rest.

You have advantage on an attack roll against a creature if at least one of your allies is within 5 feet of the creature and the ally isn't incapacitated.

You have disadvantage on attack rolls and on Wisdom (Perception) checks that rely on sight when you, the target of your attack, or whatever you are trying to perceive is in direct sunlight.

Starting at 1st level, your patron grants you the ability to manifest a small portion of its power on the material plane. As a bonus action you can designate a creature you can see within 30 feet to suffer the effects of the Evil Eye. That creature must make a Charisma saving throw against your Warlock spell save DC. For 1 minute, whenever a target that fails this saving throw makes an attack roll or saving throw before this feature ends, the target must roll a d4 and subtract the result from the attack roll or saving throw. This functions identically to the Bane spell (though it does not require concentration) and does not stack with it. This feature cannot be active on more than one creature at a time. This ability can be used a number of times per day equal to your Charisma Modifier (Minimum of 1), regaining expended uses on a long rest.

You no longer need to sleep and can't be forced to sleep by any means. To gain the benefits of a long rest, you can spend all 8 hours doing light activity, such as reading your Book of Shadows and keeping watch.

You can read all writing.

Your patron gives you a grimoire called a Book of Shadows. When you gain this feature, choose three cantrips from any class's spell list. The cantrips do not need to be from the same spell list. While the book is on your person, you can cast those cantrips at will. They don't count against your number of cantrips known. Any cantrip you cast with this feature is considered a warlock cantrip for you. If you lose your Book of Shadows, you can perform a 1-hour ceremony to receive a replacement from your patron. This ceremony can be performed during a short or long rest, and it destroys the previous book. The book turns to ash when you die.