Sources
CR
Type
Size
Alignment
Movement

Monastic Infiltrator

Small/Medium Humanoid (monk), Any alignment

Armor Class 18 (Unarmored Defense)
Hit Points 112 (15d8 + 45)
Speed 50 ft.
STR
13
+1
DEX
20
+5
CON
16
+3
INT
15
+2
WIS
17
+3
CHA
16
+3
Saving Throws DEX +8, WIS +6
Skills Acrobatics +8, Deception +9, Perception +6, Stealth +11
Damage Resistances psychic
Condition Immunities Charmed
Senses passive Perception 16
Languages Common plus three other languages
Challenge 6 (2,300 XP)

Traits

Guarded Mind. Spells and other effects can't read the infiltrator's thoughts or determine if the infiltrator is lying. Creatures can communicate telepathically with the infiltrator only if it allows such contact.

Unarmored Defense. While the infiltrator is wearing no armor and wielding no shield, its AC includes its Wisdom modifier.

Spellcasting

Spellcasting. The infiltrator casts one of the following spells, requiring no material components and using Wisdom as the spellcasting ability (spell save DC 14):

At will: disguise self

1/day each: dimension door, zone of truth

2/day each: detect thoughts, invisibility

Actions

Multiattack. The infiltrator makes three Unarmed Strike attacks.

Unarmed Strike. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit:10 (1d10 + 5) force damage.

Bonus Actions

Cunning Action. The infiltrator takes the Dash or Disengage action.

Reactions

Retaliating Strike. When a creature within 5 feet of the infiltrator hits or misses the infiltrator with a melee attack, the infiltrator makes one Unarmed Strike attack against the attacker.

Lore

Infiltrators act as spies, saboteurs, and perpetrators of other clandestine activities. They study magical techniques that enhance their prowess in battle and help them complete their assignments.