I wasn't satisfied with there being only 1 helm in the new rules, so I scoured my old products and wrote up this short PDF with 17 new helms and 12 powers you can add to any helm.
The helms:
Minor Helm, Major Helm, Beacon Helm, Crown of Stars, Grand Helm, Series Helm, Artifurnace Helm, Defiling Helm, Forge Helm, Furnace Helm, Least Helm, Musical Helm, Mythal Helm, Orbus Helm, Pool Helm, Radiant Helm, Shrine Helm.
The Powers:
Cloaking, Communication, Displacement, Elemental Resistance, Extended Air, Extra Weight, Freedom, Healing, Planar, Speedy, Submarine, Temporal.
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It is $1.99 on DMsGuild.
The helms:
Minor Helm, Major Helm, Beacon Helm, Crown of Stars, Grand Helm, Series Helm, Artifurnace Helm, Defiling Helm, Forge Helm, Furnace Helm, Least Helm, Musical Helm, Mythal Helm, Orbus Helm, Pool Helm, Radiant Helm, Shrine Helm.
The Powers:
Cloaking, Communication, Displacement, Elemental Resistance, Extended Air, Extra Weight, Freedom, Healing, Planar, Speedy, Submarine, Temporal.

Spelljamming Helms - Dungeon Masters Guild | Dungeon Masters Guild
Spelljamming Helms - Throughout its history, the Spelljammer setting has had many types of spelljamming helms (and other things that can repl
It is $1.99 on DMsGuild.