Spellcasting. The abjurer is a 13th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 16, +8 to hit with spell attacks). The abjurer has following wizard spells prepared:
Cantrips (at will): blade ward, dancing lights, mending, message, ray of frost 
1st level (4 slots): alarm,* mage armor,* magic missile, shield* 
2nd level (3 slots): arcane lock,* invisibility 
3rd level (3 slots): counterspell,* dispel magic,* fireball 
4th level (3 slots): banishment,* stoneskin* 
5th level (2 slots): cone of cold, wall of force
6th level (1 slot): flesh to stone, globe of invulnerability* 
7th level (1 slots): symbol,* teleport
*Abjuration spell of 1st level or higher

Arcane Ward. The abjurer has a magical ward that has 30 hit points. Whenever the abjurer takes damage, the ward takes the damage instead. If the ward is reduced to 0 hit points, the abjurer takes any remaining damage. When the abjurer casts an abjuration spell of 1st level or higher, the ward regains a number of hit points equal to twice the level of the spell. 

Quarterstaff. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 2 (1d6 - 1) bludgeoning damage, or 3 (1d8 - 1) bludgeoning damage if used with two hands.