Sources
CR
Type
Size
Alignment
Movement

Losser Mirklav

Small Humanoid (halfling), Chaotic Evil

Armor Class 12, 15 with mage armor
Hit Points 31 (9d6)
Speed 25 ft.
STR
9
-1
DEX
14
+2
CON
11
+0
INT
17
+3
WIS
12
+1
CHA
11
+0
Saving Throws INT +6, WIS +4
Skills Arcana +6, History +6
Senses passive Perception 11
Languages any four languages, Halfling
Challenge 6 (2,300 XP)

Traits

Halfling Nimbleness. <$title_short_name$> can move through a space of a Medium or larger creature.

Brave. <$title_short_name$> has advantage on saving throws against being frightened.

Spellcasting

Spellcasting. Losser is a 9th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 14, +6 to hit with spell attacks). The mage has the following wizard spells prepared:

Cantrips (at will): fire bolt, light, mage hand, prestidigitation

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

2nd level (3 slots): misty step, suggestion

3rd level (3 slots): animate dead, fireball, fly

4th level (3 slots): blight, ice storm

5th level (1 slot): cone of cold

Actions

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

Lore

A halfling necromancer who is in possession of the Stone of Golorr. He lives in a cellar complex under a powdered wig shop in the Trades Ward.