I'm not the Author of this mod (Erkeil), who gave free permission to player/modder community to use his assets.
Originally this mod was a part of ERSO. Now you may use it as STANDALONE.
All credits go to Erkeil

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1) DESCRIPTION
This mod allows to have really legendary weapons and armors. Here some of new specifics

DIVINE AMULETS:
Kynareth Amulet = +25 stamina
Arkay Amulet = +25 health
Julianos Amulet = +25 magicka
Stendarr Amulet = +75 armor

LEGENDARY WEAPONS:
Dawnbreaker = fire damage increased
Mace of Molag Bal = damage increased
Mehrunes Razor = causes 40 health points by poison damage (never more the terrible “instant kill”), a bit more physical damages
The Rueful Axe = physical damage increased
Staff of Magnus = absorbs 50 magicka and health points per second
Volendrung = physical damages increased
Wuuthrad = physical damage increased
Ghostblade = spiritual damage  increased

LEGENDARY ARMORS:
Archmage’s Robes = spell cost reduction to 20% for every school
The Gauldur Amulet = +75 health, stamina and magicka (in suggested “hardcore” version the bosses are properly tough…)
Masque of Clavicus Vile” = +30 barter, +15 speech
Necromancer Amulet = +75 Magicka, -50% health and stamina regen
Savior’s Hide = 20% resist magic and 80% resist poison
Shield of Ysgramor = 25% resist magic, +75 health
Spellbreaker = Magic Ward increased

2) COMPATIBLE
Incompatible with mods that changes same armors and weapons.

3) CREDITS
Erkeil did this mod. Thanks for his permission to player/modder community to use original mod freely.