Devil, Infernal Tutor 2014

CR 13 fiend

Medium fiend, lawful evil

Armor Class: 17 (natural armor)
Hit Points: 182 (28d8+56)
Speed: 30 ft.

STR10 (+0)

DEX16 (+3)

CON15 (+2)

INT18 (+4)

WIS20 (+5)

CHA21 (+5)

Saving Throws: Constitution +7, Intelligence +9, Wisdom +1, Charisma +1
Skills: Perception +5
Resistances: cold; bludgeoning, piercing & slashing from nonmagical attacks not made w/silvered weapons
Damage Immunities: fire, poison
Condition Immunities: charmed, frightened, poisoned
Senses: darkvision 120 ft., passive Perception 15
Languages: all, telepathy 120'
Challenge: 13 (10,000 XP) · Proficiency Bonus +5

Devil’s Sight.

Magical darkness doesn’t impede its darkvision.

Magic Resistance.

Advantage: spell/magic effect saves.

Phrenic Weapons.

Its weapon attacks are magical. When it hits with any weapon extra 4d6 psychic (included below).

Weaken Resolve.

Its speech has subtle enchantments that make it seem logical or profound regardless of words used. It has advantage on Cha (Deception) and Cha (Persuasion) checks vs. Humanoids. Also if tutor spends 1+ min conversing with Humanoid that creature has disadvantage on saves vs. tutor’s Fiendish Indoctrination and vs. enchantment spells tutor casts.

Bonus Actions

Change Shape.

Magically transforms into a Small or Med Humanoid or back into its true fiendish form. Its stats other than its size are same in each form. Items worn/carried aren't transformed. Reverts on death.

Reactions

Strength of Character.

When it succeeds on a save tutor responds with scathing magical insult if source of effect is a creature within 60' of tutor. That creature: DC 18 Wis save or take 14 (4d6) psychic and have disadvantage on next save it makes vs. a spell cast by tutor.

Source: Tome of Beasts 3 (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details