Bull-Goat Set is an Armor Set in Elden Ring. Bull-Goat Set Great Horned Tragoth's Armor Set. Covers its wearer with a pair of giant horns, providing staunch poise. Tragoth is a famed knight of assistance. Countless Tarnished, facing adversity in the Lands Between, have survived thanks only to the Great Horned One's aid. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.
Once Patches has moved to Volcano Manor during his questline, he will give you a letter to kill Great Horned Tragoth. Note that you need to join the Volcano Manor covenant and do a kill mission first for Patches to show up and give you this kill mission. You get the armor set immediately after killing Tragoth. [Elden Ring Map here]
Set has the highest poise and physical defense in the game, but also the heaviest.
The helmet design is based off of a Bearded Phrygian Helmet, an ancient Greek helmet.

Physical: 38.505
Versus Strike: 38.214
Versus Slash: 34.989
Versus Pierce: 34.989
Magic: 26.174
Fire: 26.501
Ligt: 28.989
Holy: 25.352
Immunity: 170
Robustness: 197
Focus: 110
Vitality: 130
Poise: 99.99

Physical: 7.5
Versus Strike: 7.4
Versus Slash: 6.7
Versus Pierce: 6.7
Magic: 4.7
Fire: 4.8
Ligt: 5.3
Holy: 4.6
Immunity: 31
Robustness: 35
Focus: 20
Vitality: 23
Poise: 15

Physical: 20.4
Versus Strike: 20.2
Versus Slash: 18.3
Versus Pierce: 18.3
Magic: 13.3
Fire: 13.5
Ligt: 14.9
Holy: 12.8
Immunity: 71
Robustness: 83
Focus: 46
Vitality: 55
Poise: 47

Physical: 5.2
Versus Strike: 5.2
Versus Slash: 4.6
Versus Pierce: 4.6
Magic: 3.3
Fire: 3.3
Ligt: 3.7
Holy: 3.2
Immunity: 24
Robustness: 28
Focus: 15
Vitality: 18
Poise: 10

Physical: 11.9
Versus Strike: 11.8
Versus Slash: 10.6
Versus Pierce: 10.6
Magic: 7.6
Fire: 7.7
Ligt: 8.5
Holy: 7.3
Immunity: 44
Robustness: 51
Focus: 29
Vitality: 34
Poise: 28

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.

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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.