Demonbane weapons are a class of weapons that are more effective against demon-type monsters.
There are nine demonbane weapons currently available to players:
Silverlight
Darklight
Arclight
Emberlight
Burning claws
Scorching bow
Purging staff (Increases the effect of Mark of Darkness on demonbane spells)
Holy water
Demonbane spells
The 
infernal tecpatl was available during Demonic Pacts League and provides 10% demonbane.
Demonbane swords
The demonbane sword line consists of four weapons: Silverlight and its three upgraded forms. Each upgraded sword is created by modifying the previous tier. The table below lists the stats of Silverlight and each of its upgrades in order, along with notes on their differing passive effects.
| Item | Attack Bonuses | Defence Bonuses | Other | Comment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | | | | | | | | | | | | | | | | |||
| Silverlight | 9 | 14 | -2 | 0 | 0 | 0 | 3 | 2 | 1 | 0 | 12 | 0% | 0 | 0 | 1.814 |  | Quest reward from Demon Slayer Damage bonus: 60% |
| Darklight | 10 | 16 | -2 | 0 | 0 | 0 | 3 | 2 | 2 | 0 | 13 | 0% | 0 | 0 | 1.814 |  | Upgraded during Shadow of the Storm quest Damage bonus: 60% |
| Arclight | 10 | 38 | 0 | 0 | 0 | 0 | 3 | 2 | 2 | 0 | 8 | 0% | 0 | 0 | 1.814 | | Upgraded using three ancient shards on the altar in the Catacombs of Kourend Damage and accuracy bonus: 70% |
| Emberlight | 63 | 70 | 0 | 0 | 0 | 0 | 3 | 2 | 5 | 0 | 13 | 0% | 0 | 0 | 0.907 | | Upgraded using a tormented synapse and a fully charged and/or infused arclight (10,000 charges/infused) on an anvil, requiring 74 Smithing Damage and accuracy bonus: 70% |