Arclight

The Arclight is a weapon requiring level 75 Attack to wield that is extremely effective against demon type monsters. The Arclight can be made by using the Darklight on the Altar at the Centre of the Catacombs with 3 Ancient shards in the player's inventory. It has 1000 charges when initially crafted and gets an additional 1000 charges for every 3 shards added, and can hold a maximum of 10,000 charges.

Arclight provides a 70% increase in accuracy and strength when used against demonic creatures: lesser, greater, black or abyssal demons, demonic gorillas, nechryaels and Skotizo, and retains the Darklight's special attack. This gives it slightly superior stats to the Abyssal tentacle.

Arclight's special attack, Weaken, uses 50% of the player's special attack energy and lowers the opponent's Strength, Attack, and Defence levels by 5% (10% for demons). This special is only activated if the player does not miss.

Trivia

 * Prior to the update of 16 June 2016, Arclight did not have a special attack. The stats were reevaluated and changed after multiple player complaints on how the Arclight was not as strong as the newspost claimed when used against demons at higher combat levels. The same update also gave it a graphical update.