You can use an action to call forth a spectral fiendish creature that serves you, following the Pact of the Chain rules.

When you cast Eldritch Blast, one beam that hits can push its target up to 10 feet away from you.

When you cast Eldritch Blast, add your Charisma modifier to the damage of one beam you cast.

You can see normally in darkness, both magical and nonmagical, to a distance of 120 feet.

You gain a Pact of the Tome containing three cantrips from any class and can use the tome as a spellcasting focus.

You can cast Speak with Dead without expending a spell slot.

You can inscribe ritual spells in your Book of Shadows and cast them as rituals when they are in the book.

You can cast the Magic Initiate spells chosen from the Cleric list. Wisdom is the spellcasting ability for these spells.

You know three Eldritch Invocations. Your selected invocations are Agonizing Blast, Devil's Sight, Pact of the Tome, Repelling Blast, and Whispers of the Grave, plus one additional invocation from your level 8 allotment, Book of Ancient Secrets. Invocations grant supernatural abilities and can enhance cantrips or provide spells and magical powers.

You gain two level 4 Pact Magic spell slots, which recover when you finish a Short or Long Rest. You prepare nine Warlock spells, and Charisma is your spellcasting ability.

Once per Long Rest, you can perform a one-minute esoteric rite to regain expended Pact Magic spell slots, up to half your maximum number of slots, rounded up.

You gain the Fiend Patron subclass. Your pact draws power from the Lower Planes and grants additional subclass features at later levels.

You gain the War Caster feat. You have Advantage on Constitution saving throws to maintain Concentration, can perform Somatic components while holding weapons or a shield, and can cast a spell with a casting time of an action as an Opportunity Attack when its target is one creature.

You gain the Inspiring Leader feat. After a Short or Long Rest, you can give a number of creatures temporary hit points equal to your level plus your Charisma modifier when you speak for at least 10 minutes.

When you reduce a hostile creature to 0 hit points, you gain temporary hit points equal to your Charisma modifier plus your Warlock level, currently 11 temporary hit points.

When you finish a Short or Long Rest, choose one damage type from Acid, Cold, Fire, Lightning, or Thunder. You have Resistance to that damage type until you choose another with this feature.

Ketik can perform religious ceremonies and receive free healing and care at temples, shrines, or other established presences of his faith. Those who share his religion support him at a modest lifestyle, and he retains access to a former temple residence when relations remain cordial.