Slayer helmet

The Slayer's helmet may be assembled after a player spends 400 Slayer reward points to learn how to craft one. The player must also have level 55 Crafting in order to make one. The Slayer level requirement for the Slayer helmet is 35, which is also needed to complete the quest Smoking Kills. Charged slayer helmets require level 20 Summoning in order to be worn. When worn, the helmet has the special effects of the Slayer equipment it was made from: While the black mask's effects only occur against monsters that are on the player's current slayer assignment, the effects of the other items are present regardless of assignment.
 * An uncharged Black mask (charged will not work), which currently costs coins, giving 15% attack and strength boosts against all monsters that are part of the player's current slayer task. The quickest way to obtain this is to buy a charged black mask from the GE then simply click Remove Charge. This may come in use if a player wants the slayer helmet fast as it's a slow process to buy an uncharged Black mask
 * A Nose peg, protecting against the special attacks of Aberrant spectres. (200 coins from a slayer master)
 * A pair of Earmuffs, protecting against the special attacks of all types of Banshees. (200 coins from a slayer master)
 * A Facemask, protecting against the special attacks of Dust devils and the effects of the Smoke Dungeon. (200 coins from a slayer master)
 * A Spiny helmet, protecting against the special attacks of Wall beasts. (650 coins from a slayer master)

If a player were to use one slayer master only, the minimum tasks needed to be completed to earn the points required is as follows (this includes the 4 no-point tasks, and excludes any special task):
 * Mazchna/Achtryn: 316 tasks.
 * Vannaka: 70 tasks.
 * Chaeldar: 32 tasks.
 * Sumona: 30 tasks.
 * Duradel/Lapalok: 23 tasks.
 * Kuradal: 20 tasks.
 * Or a combination of the above.

The Slayer helmet's combat statistics are the same as a Rune full helm. However, unlike the rune helm, it confers no negative bonuses, but has no damage absorption.

For players with undead Slayer assignments, the boosts given by the Salve amulet or Salve amulet (e) do NOT stack with the effects of a Slayer helmet. It is also a common misconception that special attacks do not work with the boosts of items like this, although that is completely untrue.

As of 27 January 2009, it can now be enchanted to hold summoning scrolls by Pikkupstix (with a summoning level of 20). When it is charged with at least one Scroll it takes on a lighter colour.

Making the helmet
After unlocking the ability to make the helmet, a message appears in the chat window stating: ''The secret is yours. You can now combine a black mask, face mask, spiny helm, nosepeg and earmuffs into one useful item''. The Slayer helmet acts as a combination of: an uncharged Black mask, a Nose peg, a pair of Earmuffs, a Facemask, and a Spiny helmet. All of the aforementioned items are required to craft the helmet, as well as a Crafting level of 55. The helmet retains the abilities of all the items used to make it. It still gives the effect that the black mask does, but with better defence and bonuses, making it one of the best helms for slayer assignments.

For a player to construct the helmet, they must use one item on another (except for earmuffs with a face mask as this will create masked earmuffs) if all the necessary items are in the player's inventory. The quest Smoking Kills must be completed before the Slayer helmet can be crafted, and worn. After being made, the Slayer helmet may be disassembled and reassembled at any time (unless it has been enchanted to hold Summoning Scrolls).

The Assist System cannot be used to make the slayer helmet.

After an update on 8 February 2010, you can create a Full slayer helmet by adding a Hexcrest and a Focus Sight. Similarly to the black mask, these improve magic and range by 15% during slayer tasks. These items are respectively dropped by the Jungle Strykewyrm (73 Slayer required) and the Desert Strykewyrm (77 Slayer required). The slayer helmet costs 0 coins supposing all the components are bought from the Grand Exchange.

Trivia

 * The Slayer helmet weighs 2 kg; however, all of the disassembled components weigh 12 kg.
 * Charged slayer helmets can not be crafted into full slayer helmets.

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