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

Maliketh's Set is an Armor Set in Elden Ring. Maliketh's Set is a Beast's armor made of black iron and decorated with gold. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Marionette Soldier Set is an Armor Set in Elden Ring. Marionette Soldier Set is a two-piece medium weight set worn by the Marionette Soldiers. Sets of Armor in Elden Ring are typically composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Mausoleum Foot Soldier Set is an Armor Set in Elden Ring. Mausoleum Foot Soldier Set is one of six foot soldier sets, and like the other Mausoleum sets only has three pieces. Sets of Armor in Elden Ring are typically composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Mausoleum Knight Set is an Armor Set in Elden Ring. Mausoleum Knight Set is a three piece Knight set variant worn by Mausoleum Knights like Lhutel the Headless. Thanks to the enemies' distinct lack of a head with which to wear one, the set lacks a helmet. Sets of Armor in Elden Ring are typically composed of four armor pieces: Helms, Chest Armor, Gauntlets, and Leg Armor.

Mausoleum Soldier Set is an Armor Set in Elden Ring. Mausoleum Soldier Set is the armor worn by the phantom Mausoleum Soldiers that patrol areas around Wandering Mausoleums. Due to the headless nature of the Mausoleum Soldiers, the set lacks a helmet. Sets of Armor in Elden Ring are typically composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Mushroom Set is an Armor Set in Elden Ring. Mushroom Set is a Light Weight armor with mushrooms growing all over that that does not offer much in the way of protection but boosts superior Immunity, Focus, and Vitality Resistances. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Night's Cavalry is an Armor Set in Elden Ring. Pitch-black armor thinly painted with dried blood. Worn by Night's Cavalry who ride funeral steeds. The Night's Cavalry, who now wander the dim roads of night, were once led by the Fell Omen and were deliverers of death for great warriors, knights, and champions.

Night Maiden Set is an Armor Set in Elden Ring. Night Maiden Set is a cloth set worn by the Night Maiden enemies found in Nokron and Nokstella. It shares the Nox Bracelets and Nox Greaves with the Nox Monk Set and Nox Swordstress Set. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.

Noble's Set is an Armor Set in Elden Ring. Noble's Set is a Light Weight armor that does not offer much in the way of physical protection, but provides some Magical defense. Sets of Armor in Elden Ring are composed of four armor pieces which are Helms, Chest Armor, Gauntlets, and Leg Armor.