A metal canister, usually with glass windows to reveal the contents, which holds various harmful or debilitating gases. They can be deployed by shattering the canister, or remotely activated.

Each short rest, you can prepare one gas canister per Artificer rank you have. You can choose from the list of gases below.

When activated, a gas canister creates a circle 3 cloud, which persists for 3 rounds.

You automatically gan a gas mask that protects you from the effects of your own gas canisters.

Gases

Class Artificer
Name Gas Canister
Type Invention
Brief Deploy canisters filled with harmful gases like toxins, sleep agents, and corrosives
Rank Name Effect
1 Burning Gas Medium acid damage on turn start.
1 Noxious Gas Creatures that start their turn in the cloud must succeed on a Con save or be sickened for 1 round.
1 Choking Gas Unable to speak or cast spells with verbal components while in the cloud, Con negates each attempt.
2 Sleep Gas Creatures that start their turn in the cloud must succeed on a Con save or fall asleep (Con ends, but only if no longer in the gas).
2 Paralytic Vapor Restrained (Str mitigates to half movement). Disadvantage to Dexterity rolls.
2 Corrosive Mist Medium acid damage on turn start, plus metal objects that can corrode (i.e. not gold, mithral, adamantine) suffer 50% durability loss per turn in the cloud.
3 Hallucinogenic Fog Confusion (Wis negates each round).
3 Mind Fog Must pass a Wis save to maintain concentration, and upon casting any spell.
3 Skin-melting Gas Heavy acid damage on turn start.
4 Neurotoxin Paralyzed (Con mitigates; on success, can only take move actions this round).
4 Enervating Mist 4 levels of enervation on turn start.
4 Petrifying Gas Con save or become restrained as flesh begins to harden into stone. On seond turn, Con save or become petrified.
5 Death Fog Con save or drop to 0 HP. On subsequent turns, automatic death saving throw failure on turn start.
5 Antimagic Vapor Spells and magical effects are suppressed while in the cloud.

Feats