Magic Resistance. Adeline has advantage on saving throws against spells and other magical effects.

Recall. Adeline can use 1 bonus action to recall a thrown Fire Dagger.

Fearful Presence . Adeline undead lich visage causes those within 20 ft of her who can see her to have to make a Wisdom save DC 15 or become frightened. A frightened creature must take the Dash action and move away from you by the safest available route on each of its turns, unless there is nowhere to move. If the creature ends its turn in a location where it doesn't have line of sight to her, the creature can make a Wisdom saving throw. On a successful save, the effect ends for that creature until they approach her again. 

Spellcasting. Adeline is a 7th-level spellcaster. her spellcasting ability is Charisma (spell save DC 15 +5 to hit with spell attacks). Adeline has following sorcerer spells prepared: 

Cantrips (at will): fire bolt, infestation, mage hand, toll the dead 
1st level (4 slots): witch bolt, ray of sickness, absorb elements, magic missile
2nd level (3 slots): blindness/deafness, crown of madness, hold person
3rd level (3 slots): counterspell, enemies abound
4th level (3 slots): confusion

Fire Dagger. Melee  or Ranged Weapon Attack: +5 to hit, reach 5 ft. or ranged 20/60 ft, one target. Hit: 7 (1d6 + 2) piercing damage and 4 (1d4 + 2) fire damage. 

Sonic Scream. Adeline produces a shrill, echoing screech at every creature that can hear her within 30 feet. Each target must make a DC 15 Constitution saving throw. On a failed save, it takes 15 (3d8 + 2) psychic damage and gain disadvantage on any roll made until the end of her next turn. . On a successful save, it takes half as much damage and recieve no disadvantage.

Spell Return. Adeline can choose to return a spell that has an attack roll that is targeted at her or an ally as a reaction. She does this by rolling an attack roll with her +5 to hit. If her attack roll beats the attack roll of the spell being cast then the new target is the caster.