Preceptor's Set is an Armor Set in Elden Ring. Preceptor's Set is usually worn by the magic preceptors who served the Carian royals.Increases mind to the detriment of stamina. Glintstone sorcerers are the descendants of astrologers, a fate has been long severed from the stars. Sets of Armor in Elden Ring are composed of four armor pieces which are Preceptor's Big Hat, Preceptor's Long Gown, Preceptor's Gloves, and Preceptor's Trousers.
Found on Seluvis's body in Seluvis's Rise after reaching the end of Ranni's questline. [Elden Ring Map here] Video Location
The Preceptor's Long Gown can be altered to the Preceptor's Long Gown (Altered) to remove the cloak.
The Mask of Confidence is a variant of the Preceptor's Big Hat which doesn't have the hat.
Poise updated to patch 1.07. See Patch Notes for details.

Physical: 12.8
Versus Strike: 14.1
Versus Slash: 12.8
Versus Pierce: 12.8
Magic: 28.5
Fire: 26.3
Ligt: 25.5
Holy: 25.5
Immunity: 124
Robustness: 59
Focus: 206
Vitality: 190
Poise: 27

Physical: 2.5
Versus Strike: 2.8
Versus Slash: 2.5
Versus Pierce: 2.5
Magic: 5.5
Fire: 4.9
Ligt: 4.8
Holy: 4.8
Immunity: 26
Robustness: 12
Focus: 44
Vitality: 42
Poise: 5

Physical: 6.1
Versus Strike: 6.7
Versus Slash: 6.1
Versus Pierce: 6.1
Magic: 14.5
Fire: 13.3
Ligt: 12.8
Holy: 12.8
Immunity: 50Robustness
Robustness: undefined
Focus: undefined
Vitality: undefined
Poise: undefined

Physical: 1.5
Versus Strike: 1.6
Versus Slash: 1.5
Versus Pierce: 1.5
Magic: 3.6
Fire: 3.3
Ligt: 3.2
Holy: 3.2
Immunity: 17
Robustness: 8
Focus: 28
Vitality: 25
Poise: 3

Physical: 3.4
Versus Strike: 3.8
Versus Slash: 3.4
Versus Pierce: 3.4
Magic: 8.3
Fire: 7.6
Ligt: 7.3
Holy: 7.3
Immunity: 31
Robustness: 15
Focus: 51
Vitality: 47
Poise: 7

Alberich's Set is an Armor Set in Elden Ring. Alberich's Set. Set with red glintstones said to be formed by the blood of sacrifices. Strengthens Thorn Sorceries. Mad Tongue Alberich was an aloof yet disturbed heretical sorcerer said to have been driven mad by jeering tongues during his service to the Roundtable Hold long ago. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Albinauric Set is an Armor Set in Elden Ring. Albinauric Set is a medium weight two-piece set that increases arcane. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

All-Knowing Set is an Armor Set in Elden Ring. All-Knowing Set is a Medium Weight Armor that strikes a good balance between Physical and Magical defense. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Aristocrat Set is an Armor Set in Elden Ring. Aristocrat Set is a lightweight cloth set that is worn by the Sorcerer Aristocrat enemies that can be found wandering the roads in groups across much of the map. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Astrologer Set is an Armor Set in Elden Ring. Astrologer Set is a Lightweight armor that boost Vitality and Focus Resistance and provides mainly Magical defenses protection. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Azur's Glintstone Set is an Armor Set in Elden Ring. Sets of Armor in Elden Ring are usually composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor. Azur's Glintstone Set features prominent blue-green glintstones on the helmet and shoulders attached to a ragged silk cloak.

Bandit Set is an Armor Set in Elden Ring. An armor set made for easy movement and stealth, but does not do much for avoiding incoming damage. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Banished Knight Set is an Armor Set in Elden Ring. Banished Knight Set is a Heavyweight armor. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Battlemage Set is an Armor Set in Elden Ring. Battlemage Set is a cloth spellcaster armor set worn by Battlemage enemies that uses the Haima Glintstone Crown. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.