Volo's Guide to Monsters (5e)
Transmutation Mage CR: 5
Small to Medium humanoid, any alignment
Armor Class: 15 (Mage Armor)
Hit Points: 40 (9d8) 9d8
Speed:
30 ft
Saving Throws: Intelligence +6, Wisdom +4
Skills: Arcana +6, History +6
Senses: Passive Perception 11
Languages: Common, & any three languages
Challenge Rating: 5
( 1800 XP)
Proficiency Bonus: +3

by Pindurski
Spellcasting. The transmuter is a 9th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 14, +6 to hit with spell attacks). The transmuter has the following wizard spells prepared:
Cantrips (at will): Light, Mending, Prestidigitation, Ray of Frost
1st level (4 slots): Chromatic Orb, Expeditious Retreat*, Mage Armor
2nd level (3 slots): Alter Self*, Hold Person, Knock*
3rd level (3 slots): Blink*, Fireball, Slow*
4th level (3 slots): Polymorph*, Stoneskin
5th level (1 slot): Telekinesis*
*Transmutation spell of 1st level or higher
Transmuter's Stone. The transmuter carries a magic stone it crafted that grants its bearer one of the following effects:
Darkvision out to a range of 60 feet
An extra 10 feet of speed while the bearer is unencumbered
Proficiency with Constitution saving throws
Resistance to acid, cold, fire, lightning, or thunder damage (transmuter's choice whenever the transmuter chooses this benefit)
If the transmuter has the stone and casts a transmutation spell of 1st level or higher, it can change the effect of the stone.
Actions
Quarterstaff. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 2 (1d6 - 1) bludgeoning damage, or 3 (1d8 - 1) bludgeoning damage if used with two hands.
Suggested Environments
Any Climate; Any Terrain