Weapon Passives in Elden Ring: Nightreign can provide further boost to your character by enhancing damage, defences, or providing some utility benefits. They are randomly found on weapons and are active as long as the weapon is slotted in one of six armament slots in player's inventory. This means that even if you're not planning on using a specific weapon, it's still a good idea to equip it just to receive a pssive benefit.
NightreignWeapon Passives - Nightreign Wiki

Add Holy to Weapon (+30)
Weapon Passive

Add Magic to Weapon (+30)
Weapon Passive
![Attack Boost [Lifeforms Born of Falling Stars] (+20%)](https://cdn.mobalytics.gg/cdn-cgi/image/format=auto,width=128/assets/elden-ring-nightreign/images/passives/weapon-power-icon.webp)
Attack Boost [Lifeforms Born of Falling Stars] (+20%)
Weapon Passive
![Attack Boost [Those Who Live in Death] (+20%)](https://cdn.mobalytics.gg/cdn-cgi/image/format=auto,width=128/assets/elden-ring-nightreign/images/passives/weapon-power-icon.webp)
Attack Boost [Those Who Live in Death] (+20%)
Weapon Passive

Attacks Inflict Poison (+23)
Weapon Passive

Attacks Inflict Sleep (+18)
Weapon Passive

Attacks Inflict Sleep (+23)
Weapon Passive

Attacks Inflict Sleep (+30)
Weapon Passive

Attack Up when Wielding Two Armaments (+10%)
Weapon Passive

Attack Up when Wielding Two Armaments (+7%)
Weapon Passive

Continuous HP Recovery (+1)
Weapon Passive

Creates Holy Ground at Low HP
Weapon Passive

Critical Hit FP Restoration (+10%)
Weapon Passive

Critical Hit HP Restoration (+10%)
Weapon Passive

Death Blight Resistance Up (+75)
Weapon Passive

Defeating Enemies Restores HP (+20)
Weapon Passive

Dmg Negation Up While Casting Spells (+24%)
Weapon Passive

Dmg Negation Up While Casting Spells (+30%)
Weapon Passive

Dmg Negation Up while Charging Attacks (+32%)
Weapon Passive

Dmg Negation Up while Charging Attacks (+40%)
Weapon Passive

Flame of Frenzy While Walking
Weapon Passive

FP Restoration Upon Attacks (+1)
Weapon Passive

FP Restoration Upon Attacks (+2)
Weapon Passive

FP Restoration Upon Successive Attacks (+5%)
Weapon Passive

Guard Counters Activate Holy Attacks
Weapon Passive

HP Restoration Upon Attacks (+3)
Weapon Passive

HP Restoration Upon Attacks (+4)
Weapon Passive

HP Restoration Upon Attacks (+6)
Weapon Passive

Ice Storm Surge Sprint
Weapon Passive

Improved Affinity Damage Negation (+15%)
Weapon Passive

Improved Attack Power at Full HP (+10%)
Weapon Passive

Improved Attack Power at Full HP (+14%)
Weapon Passive

Improved Attack Power at Full HP (+7%)
Weapon Passive

Improved Attack Power at Low HP (+10%)
Weapon Passive

Improved Attack Power at Low HP (+13%)
Weapon Passive

Improved Attack Power at Low HP (+17%)
Weapon Passive

Improved Attack Power at Low HP (+21%)
Weapon Passive

Improved Attack Power at Low HP (+7%)
Weapon Passive

Improved Attack Power When Two-Handing (10%)
Weapon Passive

Improved Attack Power When Two-Handing (13%)
Weapon Passive

Improved Attack Power When Two-Handing (7%)
Weapon Passive

Improved Attack Power When Wielding Two (+10%)
Weapon Passive

Improved Attack Power When Wielding Two (+13%)
Weapon Passive

Improved Attack Power When Wielding Two (+7%)
Weapon Passive

Improved Chain Attack Finishers (+10%)
Weapon Passive

Improved Chain Attack Finishers (+15%)
Weapon Passive

Improved Chain Attack Finishers (+20%)
Weapon Passive

Improved Charge Attacks (+12%)
Weapon Passive