Efficient Spell Recovery. The academician of the Arcane Tower can recover an additional spell slot when using your arcane recovery class ability. 

Elevated Spell Power. Spells cast by the academician of the Arcane Tower are considered to be one spell slot level higher than their actual spell slot level. 

Expedient Spell Preparation. The academician of the Arcane Tower can prepare a new spell taking 1 round per spell level instead of the usual 1 minute per spell level.  

Simplified Spell Rituals. The academician of the Arcane Tower can cast the ritual version of a spell, taking 1 minute longer to cast it than normal instead of the usual 10 minutes.

Chill Touch. Ranged Spell Attack: +7 to hit, range 120 ft., one target. Hit: 9 (2d8) necrotic damage. Target can't regain hit points until the start of the academician of the Arcane Tower’s next turn. If the target is an undead, it also has disadvantage on attack rolls against the academician of the Arcane Tower until the end of the academician of the Arcane Tower’s next turn.

Spellcasting. The abjurer casts one of the following spells, using Intelligence as the spellcasting ability (spell save DC 15, +7 to hit):

At will: chill touch, dancing lights, mage hand, mending, prestidigitation

1st level (4slots): detect magic, mage armor, magic missile, shield

2nd level (3 slots): darkvision, locate object, magic mouth

3rd level (3 slots): dispel magic, major image, tongues

4th level (3 slots): greater invisibility, locate creature

5th level (2 slots): legend lore, telekinesis