Silverlight

Silverlight is a magical sword used in the Demon Slayer quest, which can be kept afterwards. The sword can only be obtained by completing the Trials of Body, Faith, and Mind during the quest. It is described as "a very shiny sword". This weapon cannot be made by players using the Smithing skill. If Silverlight is lost during or after the quest, it can be regained from Gideon Bede in the church north of the Varrock Museum for free. Silverlight is one of the few named swords, along with Excalibur and Kingsguard. It can be sold to the Wise Old Man for 80 coins.

Silverlight is dyed black during the course of the Shadow of the Storm quest and later becomes Darklight after killing the demon Agrith-Naar. Both Silverlight (not Black Silverlight) and Darklight can be mounted on the wall inside of a player's POH if they have a Quest Hall.

Silverlight is an extremely weak weapon when fighting non-demon monsters, with damage and accuracy equal to a Bronze longsword. However, when fighting most varieties of demon, it gains a large accuracy increase (enough to hit demons that are resistant to melee attacks), and will deal double damage with both auto-attacks and abilities.

The following creatures will take increased damage from Silverlight:
 * Abyssal demon
 * Balfrug Kreeyath
 * Black demon
 * Bloodveld
 * Greater demon
 * Holthion
 * Ice demon
 * Lesser demon
 * Nechryael
 * Nezikchened
 * Othanian
 * Pyrefiend
 * Tstanon Karlak
 * Zakl'n Gritch

Despite their demonic nature, Silverlight will not gain bonus accuracy and damage against imps and hellhounds.

History
In 20 of the Fifth Age, a local miner named Wally Prysin used Silverlight to battle Delrith, who was about to crush Varrock, and banish him back to the Infernal Dimensions. For the next 150 years, Silverlight resided in a crypt below the church in the North-east of Varrock guarded by the spirits of those who had wielded Silverlight.

Trivia

 * Silverlight can be traded on RuneScape Classic.
 * It is possible to keep Silverlight after Shadow of the Storm; one way to achieve this is to have Silverlight in your bank while you use another to kill Agrith-Naar. Another way is to obtain Silverlight normally from Gideon Bede, even after completing Shadow of the Storm. Also, if you have mounted your Silverlight in your Player-owned house before Shadow of the Storm, the monk at the start of the quest will exclaim and give you another one.
 * In RuneScape Classic, Silverlight was sold in the Legends' Guild. This was the only way to re-obtain it at that time, and due to complaints about this, Silverlight was removed from the Legend's Guild and it was obtained from Sir Prysin but since Demon Slayer was updated it can now be retrieved from Gideon Bede.
 * In While Guthix Sleeps, it is revealed that Movario, greatly fearful of the unnaturally powerful 'tormented demons', intends to seek out Silverlight in the event the sinister Lucien sets them on him, for "normal weapons will be only marginally useful, as the creature seemed to possess some sort of magical defence."
 * In RuneScape Classic, Silverlight will weaken a demon if it is used on the first hit.
 * Silverlight was graphically updated on 15 December 2009. Black Silverlight and its upgraded counterpart Darklight was updated along with the release of the 2009 Christmas event.
 * The Silverlight copy in Varrock museum did not change in the graphic update, it still had the look of the old Silverlight. This has been fixed.
 * Originally you could own more than 1 Silverlight at a time, by doing the drop trick from Sir Prysin in exchange for 500 coins at a time, However this was changed when the Demon Slayer quest was updated and Players could retrieve Silverlight from Gideon Bede. It is now impossible to do the drop trick since Silverlight now has a "Destroy" option instead of a "Drop" option.
 * Due to the Demon Slayer rework, it is now possible for players who completed the original version to have two silverlights.
 * If you have two silverlights in your inventory and use black mushroom ink on one, then both silverlights will disappear, but only a single darklight will be produced.

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