Blue Wizard

Dagger. The Blue Wizard carries a +2 Dagger. In the hands of anybody else, it becomes a +1 Dagger. This bonus is featured in its Dagger attack.

Spellcasting. The Blue Wizard is a 3rd-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 13, +4 to hit with spell attacks). The Blue Wizard has the following spells prepared:
Cantrips (at will): Chill Touch, Poison Spray
1st level (2 slots): Ray of Sickness, Inflict Wounds

Cause Fear. The Blue Wizard invokes the powers of death, forcing each neutral and hostile creature within 10ft. to make a DC 13 Wisdom Saving Throw or be Frightened for 1 minute. The affected creature(s) can make another Wisdom Save on each of their subsequent turns, ending the effect on a success. 

Dagger. Melee Weapon Attack: +3 to hit, reach 5 ft., 1 target. Hit: 5 (1d4 + 3) Piercing damage. 

Ray of Sickness. Ranged Weapon Attack: +4 to hit, range 60 ft., 1 target. Hit: 9 (2d8) Poison damage and the target is Poisoned until the end of the Blue Wizard's next turn.

Inflict Wounds. The Blue Wizard touches one creature within 5ft., forcing that creature to make a DC 13 Constitution Saving Throw or take 2d10 Necrotic damage.

Chill Touch. Melee Spell Attack: +4 to hit, reach 5ft., one target. Hit: 6 (1d10) Necrotic damage and the target can't regain Hit Points until the end of the Blue Wizard's next turn.

Poison Spray. Ranged Spell Attack: +4 to hit, range 30 ft., one target. Hit: 7 (1d12) Poison damage.