Warning: The mod is insanely OP, if you're looking for something soft/balanced, you've come to the wrong place! Here, Geralt is modded to be a Semi-God.

All the Skills(Sword, Spell, Alchemy, Perk and 12 Mutation of BoW) have been lifted significantly.

All the Alchemy products Oils, Potions, Bombs and Mutagens have been lifted significantly.
All the upgrades Runestones and Glyphstones have been lifted significantly.

All the GrandMaster Wichter Set have been lifted significantly.
The VampireSet have been lifted significantly.
The NetFlixSet have been lifted significantly.(with VampireSet apprearances)
Olgierd's Sabre and Aerondight, and some other Relic Swords and Crossbows have been lifted significantly.
All the Masks have been lifted significantly.
All modded Armors and Swords have 9 upgradable slots, and with with all Runewords and all Glyphwords by defalut.

Some HorseGears(Nilfgaardian, Ofir, and Toussaint Horse Gears) have been lifted significantly. (999999 encumbrance, stamina and fear level)
Recommend to check out Deleted4610270User's Ghost Rider Saddle and True Devil Saddle Eye Fix if you equipped with DevilSaddle.

One bonus based on Qwonit's Armor of the Hunt (NextGen), and liulicheng's Unique Viper School Gear Bonus-Next Gen, I give it the same treatment as GrandMaster Witcher Set as mentioned above. You can find it in the Misc.

All-In-One Version is the Main File.
If you only want to select one of these mods(check out the details below), you can find them separately in the Optionals.
Btw, 4.0.4 is the final version. So, please enjoy it.

Details of the mod
GrandMaster Witcher Gears with addtional Relic Swords options
Wolf
additem('Wolf School steel sword 4')
additem('Wolf School silver sword 4')
additem('Wolf Armor 4')
additem('Wolf Gloves 5')
additem('Wolf Pants 5')
additem('Wolf Boots 5')
additem('Geralt of Rivia Crossbow')
additem('Serpent Steel Sword 3')
additem('Serpent Silver Sword 3')
additem('sq701 Geralt of Rivia sword')
additem('Torzirael')
additem('Olgierd Sabre Wolf')
additem('Aerondight EP2 Wolf')

Lynx
additem('Lynx School steel sword 4')
additem('Lynx School silver sword 4')
additem('Lynx Armor 4')
additem('Lynx Gloves 5')
additem('Lynx Pants 5')
additem('Lynx Boots 5')
additem('Lynx School Crossbow')
additem('Olgierd Sabre')
additem('Aerondight EP2')

additional Lynx Set based on christianvictoria's Witchered Undvik
additem('NGP DLC14 Skellige Armor')
additem('NGP DLC14 Skellige Pants')
additem('NGP DLC14 Skellige Boots')
additem('NGP DLC14 Skellige Gloves')
additem('q402 Skellige sword 3')
additem('Fate')
additem('DLC14 Skellige HorseBag')
additem('DLC14 Skellige HorseBlinders')
additem('DLC14 Skellige HorseSaddle')

Bear
additem('Bear School steel sword 4')
additem('Bear School silver sword 4')
additem('Bear Armor 4')
additem('Bear Gloves 5')
additem('Bear Pants 5')
additem('Bear Boots 5')
additem('Bear School Crossbow')

Gryphon
additem('Gryphon School steel sword 4')
additem('Gryphon School silver sword 4')
additem('Gryphon Armor 4')
additem('Gryphon Gloves 5')
additem('Gryphon Pants 5')
additem('Gryphon Boots 5')
additem('Ravix of Fourhorn Crossbow')

Vampire
additem('q702 vampire steel sword')
additem('q704 vampire silver sword')
additem('q702_vampire_armor')
additem('q702_vampire_gloves')
additem('q702_vampire_pants')
additem('q702_vampire_boots')
additem('Ofir Crossbow R')
additem('Hanza steel sword 2')
additem('Serpent Silver Sword 1')
additem('q702_vampire_mask')

Netflix
additem('Netflix silver sword 2')
additem('Netflix steel sword 2')
additem('Netflix Armor 2')
additem('Netflix Pants 2')
additem('Netflix Boots 2')
additem('Netflix Gloves 2')
additem('Ofir Crossbow')
additem('Knights steel sword 3')
additem('Serpent Silver Sword 2')
additem('Gwent steel sword 1')
additem('EP2 Silver sword 3R')
additem('Olgierd Sabre Netflix')
additem('Aerondight EP2 Netflix')

Bonus Mod in the Misc
Eredin Armor and Sword based on Viper Set
additem('NGP EP1 Viper School steel sword')
additem('NGP EP1 Viper School silver sword')
additem('EP1 Witcher Armor')
additem('EP1 Witcher Gloves')
additem('EP1 Witcher Pants')
additem('EP1 Witcher Boots')
additem('Crossbow q206')
additem('Eredin Sword')
additem('Crafted Ofir Steel Sword')
additem('Cleaver')
additem('Cleaver Silver')

Bolt
additem('Blunt Bolt Legendary', 999)
additem('Broadhead Bolt Legendary', 999)
additem('Target Point Bolt Legendary', 999)
additem('Split Bolt Legendary', 999)
additem('Explosive Bolt Legendary', 999)

Upgrades
additem('Rune elemental greater', 999)
additem('Glyph igni greater', 999)

FoodEdible
additem (Cornucopia)

Mutagens
additem('Greater mutagen red', 100)
additem('Greater mutagen blue', 100)

HorseGears
additem('Toussaint horsebag')
additem('Toussaint horse blinders 4')
additem('Tourney Ravix Saddle')
additem('DLC5 Nilfgaardian HorseBag')
additem('DLC5 Nilfgaardian HorseBlinders')
additem('DLC5 Nilfgaardian HorseSaddle')
additem('Devil Saddle')
additem('Ofir Horse Blinders')
additem('Ofir Horse Bag')
additem('DLC14 Skellige HorseBag')
additem('DLC14 Skellige HorseBlinders')
additem('DLC14 Skellige HorseSaddle')

Credit to
Qwonit
Deleted4610270User
liulicheng
christianvictoria