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 masks 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.
 * A Nose peg, protecting against the special attacks of Aberrant spectres.
 * A pair of Earmuffs, protecting against the special attacks of all types of Banshees.
 * A Facemask, protecting against the special attacks of Dust devils and the effects of the Smoke Dungeon.
 * A Spiny helmet, protecting against the special attacks of Wall beasts.

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):
 * 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.

For players with undead Slayer assignments, the boosts given by the Salve amulet (unenchanted) 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 helm, although you can use a Crafting Potion to boost your Crafting level.

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 Ice Strykewyrm does not drop either of these items, but instead drops the Staff of Light.

The slayer helmet costs gp supposing all the components are bought from the grand exchange.

Trivia

 * The Slayer helmet weighs 2 kg; however, all of the unassembled components weigh 12 kg.
 * The Slayer helmet cannot be disassembled when enchanted—it must be disenchanted to be taken apart.
 * The Slayer helmet has the same examine info as the Spiny Helmet.
 * When constructing the Slayer helmet, Masked earmuffs will NOT work. They must be separate.
 * The Slayer level required to wear the helmet, according to the Slayer menu in-game, is 1, although the Slayer level needed to complete Smoking Kills that allows you to make them is 35; and the tasks you must do to get the 400 point required will increase your slayer past 35; also, the nose peg, which is part of the helmet, requires 60 Slayer to wear, although you can wear the slayer helmet without 60 slayer.
 * Due to the Slayer helmet's spikes and colour scheme it is often seen worn with the Bandos Armour set and occasionally mistaken for part of the set.
 * The Slayer helmet can only be assembled using a Spiny helmet. Some players attempt this with a Spiked helmet, the more expensive counterpart of the Spiny helmet, but this is not possible.
 * When the slayer helmet was first released it was available to buy in the grand exchange for around 300k - 500k this was removed shortly after because players didn't need to do many slayer tasks for points to make the helmet so Jagex made this helmet untradeable.