Equipment

Acheron Blade Alchemical Compendium Amulet of Health Amulet of Protection from Turning Armor of Resistance Armor of Vulnerability Arrow-Catching Shield Astral Shard Astromancy Archive Atlas of Endless Horizons Badge of the Watch Bag of Beans Banner of the Krig Rune Battering Shield Bead of Force Bell Branch Belt of Dwarvenkind Berserker Axe Blade of Ledros Blod Stone Bonecounter Boots of Levitation Boots of Speed Boots of Swiftness Bow Of Conflagration Bowl of Commanding Water Elementals Bracer of Flying Daggers Bracers of Celerity Bracers of Defense Brazier of Commanding Fire Elementals Breastplate Of Balance Bridle of Capturing Butcher's Bib Cape of the Mountebank Cauldron of Plenty Censer of Controlling Air Elementals Charm of Plant Command Chime of Opening Chromatic Rose Claw of the Wyrm Rune Claws of the Umber Hulk Cloak of Displacement Cloak of the Bat Coat of the Crest Corpse Slayer Crown of the Wrath Bringer Crystal Blade Cube of Force Daern's Instant Fortress Dagger of Blindsight Dagger of Denial Dagger of Venom Dead Man's Plate Deck Of Oracles Delver's Claws Demon Skin Devotee's Censer Dimensional Shackles Docent Dodecahedron of Doom Donjon's Sundering Sphere Dragon Slayer Dragon Wing Bow Dragontooth Dagger Duplicitous Manuscript Eagle Whistle Earthboard Elemental Essence Shard Elixir of Health Elven Chain Far Realm Shard Feather of Diatryma Summoning Feywrought Armor Flame Tongue Flamefriend Lantern Flayer Slayer Flying Chariot Folding Boat Fulminating Treatise Galder's Bubble Pipe Gambler's Blade Gauntlets of Flaming Fury Gavel of the Venn Rune Gem of Seeing Ghost Lantern Giant Slayer Glamoured Studded Leather Glimmering Moonbow Gloomwrought Armor Glowrune Pigment Grasping Whip Gulthias Staff Heart Weaver's Primer Hell Hound Cloak Helm of Teleportation Helm of the Gods Heward's Handy Haversack Hook of Fisher's Delight Horn of Blasting Horn of the Endless Maze Horseshoes of Speed Iggwylv's Horn Inescapable Lash Iron Bands of Bilarro Kagonesti Forest Shroud Knave's Eye Patch Lash of Immolation Leather Golem Armor Libram of Souls and Flesh Loadstone Luminous War Pick Lyre of Building Mace of Disruption Mace of Smiting Mace of Terror Magician's Judge Mantle of Spell Resistance Mimir Mind Blade Mind Lash Mirror of the Past Mizzium Armor Mizzium Mortar Molten Bronze Skin Necklace of Fireballs Necklace of Prayer Beads Needle of Mending Oceanic Weapon Oil of Etherealness Opal of the Ild Rune Orb of the Stein Rune Outer Essence Shard Pariah's Shield Periapt of Proof against Poison Piwafwi of Fire Resistance Planecaller's Codex Portable Hole Potion of Aqueous Form Potion of Clairvoyance Potion of Diminution Potion of Gaseous Form Potion of Heroism Potion of Invulnerability Potion of Maximum Power Potion of Mind Reading Professor Orb Protective Verses Quaal's Feather Token Reveler's Concertina Ring of Animal Influence Ring of Evasion Ring of Feather Falling Ring of Free Action Ring of Protection Ring of Resistance Ring of Spell Storing Ring of Temporal Salvation Ring of the Ram Ring of X-Ray Vision Robe of Eyes Robe of Summer Rod of Rulership Rod of the Vonindod Rogue's Mantle Rope of Entanglement Ruinous Flail Saint Markovia's Thighbone Scissors of Shadow Snipping Scorpion Armor Scroll of Protection Serpent's Fang Shadowfell Brand Tattoo Shadowfell Shard Shard of Xeluan Shield of Far Sight Shield of Missile Attraction Shrieking Greaves Siren Song Lyre Skysail Spelljamming Helm Spider Staff Staff of Charming Staff of Defense Staff of Healing Staff of Ruling Staff of Swarming Insects Staff of the Ivory Claw Staff of the Rooted Hills Staff of the Woodlands Staff of Withering Starshot Crossbow Stone of Controlling Earth Elementals Stonespeaker Crystal Stormrider Boots Summer's Dance Sun Blade Sun Staff Sunforger Sword of Life Stealing Sword of Wounding Teleportation Tablet Tentacle Rod Two-Birds Sling Ventilating Lungs Vicious Weapon Voidwalker Armor Wand of Binding Wand of Enemy Detection Wand of Fear Wand of Fireballs Wand of Lightning Bolts Wand of Paralysis Wand of Viscid Globs Wand of Winter Wand of Wonder War Horn of Valor Warrior's Passkey Wayfarer's Boots Weapon of Certain Death Weird Tank Wings of Flying Woodcutter's Axe Zephyr Armor

Magic Items by Rarity

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Wondrous item · Rare

Spelljamming Helm

Source: Spelljammer: Adventures in Space - Astral Adventurer's Guide

Wondrous item, Rare (Requires Attunement by a Spellcaster)

The function of this ornate chair is to propel and maneuver a ship on which it has been installed through space and air. It can also propel and maneuver a ship on water or underwater, provided the ship is built for such travel. The ship in question must weigh 1 ton or more.

The sensation of being attuned to a spelljamming helm is akin to the pins-and-needles effect one experiences after one's arm or leg falls asleep, but not painful.

While attuned to a spelljamming helm and sitting in it, you gain the following abilities for as long as you maintain concentration (as if concentrating on a spell):

You can use the spelljamming helm to move the ship through space, air, or water up to the ship's speed. If the ship is in space and no other objects weighing 1 ton or more are within 1 mile of it, you can use the spelljamming helm to move the vessel fast enough to travel 100 million miles in 24 hours.
You can steer the vessel, albeit in a somewhat clumsy fashion, in much the way a rudder or oars can be used to maneuver a seafaring ship.
At any time, you can see and hear what's happening on and around the vessel as though you were standing in a location of your choice aboard it.

Transfer Attunement. You can use an action to touch a willing spellcaster. That creature attunes to the spelljamming helm immediately, and your attunement to it ends.

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