Sources
CR
Type
Size
Alignment
Movement

Smiler the Defiler

Medium Fey (elf), Chaotic Evil

Armor Class 18 (+2 leather armor)
Hit Points 165 (22d8 + 66)
Speed 30 ft.
STR
14
+2
DEX
20
+5
CON
16
+3
INT
18
+4
WIS
11
+0
CHA
18
+4
Skills Deception +7, Persuasion +7
Damage Resistances bludgeoning, piercing, slashing, from nonmagical attacks
Senses darkvision 60 ft., passive Perception 10
Languages Common, Elvish, Sylvan
Challenge 7 (2,900 XP)

Traits

Fey Step (Recharge 4–6). As a bonus action, Smiler can teleport up to 30 feet to an unoccupied space that he can see or to the empty seat of his infernal war machine.

Magic Resistance. Smiler has advantage on saving throws against spells and other magical effects.

Equipment. Smiler wears +2 leather armor. He carries seven soul coins in a bag and a +1 shortsword

Spellcasting

Innate Spellcasting. Smiler's innate spellcasting ability is Charisma (spell save DC 15). He can innately cast the following spells, requiring no material components:

At will: charm person, Tasha's hideous laughter

1/day each: hallucinatory terrain, Otto's irresistible dance

3/day each: confusion, enthrall, suggestion

Actions

Multiattack. Smiler makes two weapon attacks. He can cast a spell in place of one of these attacks.

+1 Shortsword. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit:9 (1d6 + 6) piercing damage.

Lore

Smiler has an unnerving smile—hence his name.