Arondight: The Unfading Light of the Lake (アロンダイト: 無毀なる湖光, Arondaito: Mukinaru Kokō) is a holy sword wielded by Lancelot that is the counterpart of King Arthur's Excalibur. It bears a similar design to that of Excalibur, carved with Fairy Letters to show that it was a Divine Construct not forged by mortal hands.

Powers and Stats

Tier: 7-A

Name: Arondight: The Unfading Light of the Lake

Origin: Fate/Zero

Age: Unknown

Classification: Former Holy Sword, Demonic Sword, Anti-Unit Noble Phantasm

Wielders: Berserker

Powers and Abilities: Super Attack, Speed, Durability, It increases all of the user parameters by one rank, Doubles the likelihood of "saving throws", It is a limitless sword capable of receiving any attack without taking damage

Attack Potency: Mountain level (Comparable to Excalibur's normal swings, Arondight also deals additional damage to Heroic Spirits like Saber who have a "dragon" attribute.)

Speed: None, as it depends on wielder. High Hypersonic when the wielder is Berserker

Durability: Mountain level (Capable of receiving attacks from weapons as powerful as Excalibur without taking damage, is described as being virtually indestructible)

Range: Extended melee range

Weaknesses: Equipping this sword seals Lancelot's other Noble Phantasms, Knight of Honor and For Someone's Glory and massively increases his prana upkeep.