Darkvision 60 ft.. The Zyjalk can see in complete darkness for 60 ft.

Spellcasting. The Zyjalk is a 5th-level spellcaster. Its spellcasting ability is 17 (spell save DC 15, +4 to hit with spell attacks). The Zyjalk has following wizard spells prepared:
Cantrips (at will): magic missle, cure wounds, thaumaturgy 
1st level (4 slots): burning hands, thunderwave, shield                                                              2nd level (3 slots): invisibility, magic missle                                                                           3rd level (2 slots): fireball, lightning bolt, counterspell

Quarterstaff. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 7 (2d6 + 2) bludgeoning damage. 

Darts. Ranged Weapon Attack: +3 to hit, range #50/150 ft., one target. Hit: 15 (5d4 + 1) piercing damage.