Arclight

The Arclight is a weapon that is extremely effective against demon type monsters. The Arclight can be made by using the Darklight on the Dark altar with 3 Ancient shards in the player's inventory. It has 1000 charges when initially crafted, and can hold a maximum of 10,000 charges. You need at least 75 attack in order to wield this sword.

Arclight provides stats superior to the abyssal tentacle when used against demons.