This The Witcher 3: Wild Hunt modification for PC offers new magic casting abilities for Geralt.

　　Created by modder ‘Menschfeind13’, this mod packs new magic abilities, including the casting of Tornadoes, Fireballs, Meteors, Cold Stars and the ability to summon golems. In addition, Geralt can also become invisible for a short period of time.

　　“The mod brings in new magic items that modify/replace signs abilities when equipped in quick and/or trophy slots (except for the The Sword Ring)”, ‘Menschfeind13’ writes. “They can be bought from ofieri and novigradian merchants, or just use the console command: witchermage.”

　　According to the modder, almost every spell aspect scales with Geralt’s level to make them better balanced. We’ve included the list of features/changes that the mod offers down below alongside some screenshots:

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The Witcher 3 Magic Spells Mod key features

　　Magical Doll - gives you massive bonus of additional spellpower to all signs.

　　Tome of Carrying - casts through the standard Quen sign, increases Geralt's encumberance and underwater swimming speed and air.

　　Manuscript of Clear Horizon - casts through the standard Quen sign, makes Geralt invisible for a short time. Gives instant kill chance, increases chance and damage of critical hits, attack and spell powers when attacking monsters while you're invisible. Upon attacking with a sword or a sign you'll loose invisibility. Scales with your Quen sign intensity.

　　NOTE: If you try to attack a human npc, Geralt won't do that (it's prewritten game behavior), and npcs will become hostile, but your invisibility buffs will remain, so just quickly attack or use sign again. This is the only workaround I could find so far.

　　Cannot be cast during fights, the standard quen shield will be applied instead.

　　Tome of Shelter - replaces the standard Yrden sign and upon placing a circle makes enemies around indifferent towards Geralt for a short time.

　　Tome of Meteora - replaces the alternate Axii sign and upon casting summons fire meteors to the target location. Number of meteors, damage and decreasing of damage you receive scale with Axii sign.

　　Tome of Cold stars - replaces the alternate Axii sign and upon casting summons ice meteors to the target location. Number of meteors, damage and decreasing of damage you receive scale with Axii sign.

　　Tome of Distance - casts both Yrden versions at the target's position. Increases the range of Whirl, Rend and Aard attacks, if there are no appropriate perks.

　　Tome of White Sphere - replaces the alternate Axii sign and upon casting creates an ice blast at the target's location. The damage to enemies, the chance and duration of freezing effect and your damage reduction scale with the Axii sign power. The Yrden's alternate version deals frost damage with the chance of freezing depending on the skill of the Magic Trap.

　　Tome of Fire Entity - replaces the standard Yrden trap and summons fire golem. Replaces the standard Axii sign and casts a line of fire towards a target. Just beware its flames.

　　Tome of Ice Entity - replaces the standard Yrden trap and summons ice golem. Replaces the standard Axii sign and casts a line of ice towards a target.

　　Tome of BloodMoon - replaces the standard Yrden sign and creates the Trap of Darkness pulling targets to its position, dealing damage and healing you. If another standard Yrden trap deals damage to a target it heals you. Replaces the alternate Axii sign and drains life from a target when it's near you, healing you for the damage inflicted, and slowing down the target's speed. Modifies the standard Aard, reducing target's stamina and inflicting bleeding. Gives invulnerability during dodge and roll and allows to evade through targets.

　　Tome of the Great Swamp -  replaces the standard Yrden trap and inflicts poison damage. Casts at the target's position. The alternate Igni deals additional poison damage. Replaces the standard Axii and creates a poisonball.

　　Tome of Untouchability - replaces the standard Yrden effect and creates the short repulsive Yrden trap at the the target's position with a chance of knockdown depending on the Yrden sign power. Replaces the standard Axii and has a higher chance to apply knockdown.

　　Tome of Fire Gnosis - replaces the standard Yrden trap and inflicts fire damage, casts at the target's position. Replaces the standard Axii and creates a fireball. Increases attack power and range for the standard Igni. The alternate Igni deals additional damage. If you have more than 2 adrenaline points your sword will be imbued with the power of fire, dealing additional damage.

　　Tome of Permafrost - replaces the standard Yrden trap and deals frost damage with a chance of freezing. Replaces the standard Axii and creates an iceball. Unlocks the power of cold for Aard. If you have more than 2 adrenaline points your sword will be imbued with the power of winter, dealing additional damage. While you have and keep adrenaline points higher than 1, replaces the standard Aard and creates frost wave, doesn't consume adrenaline.

　　Tome "Eye of the Storm" - the alternate version of Aard slows down the time for a short period and gives bonuses to attack and sign powers, stamina regeneration and critical hits. If You have 2 adrenaline points, they will be consumed upon casting the spell and speeds of targets affected by Aard sphere will be drastically decreased, but all the other Aard effects won't apply.

　　Scroll of Beauty - slows down the time while you're in the Yrden circle (doesn't need to be chosen, just keep it in your quickslot); the yrden range is increased by 50%, but you can put only one trap (needs to be chosen in your quickslot).

　　Tome of Transference - replaces the standard Axii sign and teleports a target to your position when it's at a distance, or away from you if it's in front of you.

　　Tome of Assassins Bless - replaces the standard Quen sign and upon casting increases attacking speed and range, attack power, chance and bonus damage of critical hits, gives a chance to inflict poison or bleeding damage, even if there are no such effects on the swords. Replaces the alternate Axii sign and curses a target when it's near you, reducing its speed and attack power. Gives invulnerability during dodge and roll and allows to evade through targets. The alternate Yrden creates tornado, chasing random target.

　　Tome of Energy - replaces the standard Yrden trap and grants you energy form, you can go through targets, receive less damage and your sword will deal additional shock damage; the yrden range is increased by 50%, but you can put only one trap. Replaces both Axii versions and deals shock damage to an enemy, the standard cast has a chance to affect targets around, the alternate version of Axii charges up the spell increasing the damage and always affects targets around. Replaces the alternate Aard and creates energy blast, if you have 1 adrenaline point. Replaces the standard Quen and gives electrified shield, consuming a part of the damage and returning it to the attacker, reflects arrows back to attackers. Rend deals shock damage to targets around upon succesful strike. If you have more than 2 adrenaline points your sword will be imbued with the lightning power, dealing additional damage. While you have and keep adrenaline points higher than 1, replaces the standard Aard and creates shock wave, doesn't consume adrenaline.

　　Tome of Quileg Pyromancy - replaces the standard Igni sign and strikes in the 360 radius at the target's position (like the Rotation glyphword effect, can induce burning). Modifies the alternate Igni and creates fire beam dealing additional fire damage. Replaces the alternate Axii sign and opens a portal hitting all enemies around with small meteors. Replaces the alternate Aard and creates fire blast with a chance to induce burning, if you have 1 adrenaline point. Replaces the standard Quen and gives fire shield, consuming a part of the damage and returning it to the attacker, reflects arrows back to attackers. The alternate Yrden creates fire vortex, pulling targets to its position.

　　The Sword Ring - modifies your Rend attacks, depending on the currently chosen sign and its intensity (see a Swordspells video demostration)

　　if you have more than 1 adrenaline point, your sword will be imbued with the power of the sign, dealing additional damage and effects, depending on the currently chosen sign and its intensity.

　　Yrden - additional shock damage

　　Quen  - additional poison damage and ability to heal you for the damage dealt

　　Igni  - additional fire damage

　　Axii  - additional frost damage with a chance to inflict freezing effect

　　Aard  - additional force damage with a chance of knockdown

　　This item doesn't need to be equipped, just keep it in your inventory and its effect will be applied.

　　When this item is equipped in your trophy slot, if you have more than 90 stamina, it will be consumed and your heavy attacks will be replaced with special effects, depending on your currently chosen sign.

　　Yrden - creates an yrden wave, which slows down enemies and deals shock damage, depending on your Yrden turret skill (the skill doesn't need to be equipped)

　　Quen - creates poisonous flames

　　Igni - shoots a fireball

　　Axii - creates frost flames

　　Aard - creates force wave, dealing damage accoding to your Aard damage skill (the skill doesn't need to be equipped)

　　In order to cancel a sword cast, hold your 'block' key, or double tap 'dodge' or 'roll' keys.

　　When this item is equipped in your trophy slot, your crossbow bolt will be modified with special effects, depending on your currently chosen sign (see a Crossbow Spells video demonstration).

　　Yrden - creates magical explosion

　　Quen - creates electrical sphere, dealing damage to enemies around

　　Igni - pierces targets, dealing additional fire damage and causing burning

　　Axii - slows down targets around

　　Aard - pierces targets, dealing additional force damage and causing bleeding

　　Every special shot doesn't consume stamina, but has a 5 seconds cooldown.

　　Tome of Rock Watcher - replaces the standard Yrden and creates a stone trap keeping a target inside when it's at a distance. Replaces the standard Axii sign and casts a line of stones towards a target. Both Aard versions create stone pillars under each target.

　　Bracelet of the Grave Warden - replaces the standard Yrden effect and grants you ghost form, you will be able to go through targets and receive less damage while you are in the Yrden circle; the yrden range is increased by 50%, but you can put only one trap. Replaces the standard Axii sign and creates ghost flame dealing fire and poison damage. The standard Quen shield grants you the Weakening Aura, which addles the mind of a randomly-selected opponent within a limited range (The Caparison of Lament effect).

　　Flower wreath of the Forest Witch - replaces the standard Yrden trap and summons a panther. Replaces the standard Axii sign and creates giant roots, damaging enemies around. Replaces the standard Aard sign and creates small roots under targets restraining them, with a chance to inflict poisoning or bleeding.

　　Amulet of the Black Fire - replaces the standard Yrden and deals direct damage. Replaces the standard Axii sign and creates magical flame dealing fire and elemental damage. Replaces the standard Quen and gives magical shield, consuming a part of the damage and returning it to the attacker, reflects arrows back to attackers. The alternate Igni creates magical flame.

　　Ring of Winter Souls - replaces the standard Yrden trap and creates tornado pulling targets to its position, dealing frost damage. Replaces the standard Quen and gives frost shield, consuming a part of the damage and returning it to the attacker, reflects arrows back to attackers. Replaces the alternate Axii and creates frost flame with a chance to inflict freezing effect. Replaces the alternate Aard and creates frost blast, if you have 1 adrenaline point. The alternate Igni creates frost flame.

　　Grimoire of the Old Gods - replaces the standard Igni sign and strikes in the 360 radius, the alternate Igni deals additional energy damage. The alternate Axii creates energy spear. The alternate Yrden creates lightning storm.

　　Those interested can download this cool modification through Nexusmods here.