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The HalluciGen gas grenade is a weapon in Fallout 4.

Characteristics

After throwing and detonating, the Hallucigen gas grenade will emit a green gas that distorts vision. It will cause NPCs to frenzy and begin to attack each other, regardless of whether or not they are attacking their own allies.

Production

Can be crafted at a Chemistry station using:

This crafting recipe will only appear with a HalluciGen gas canister in the inventory. One does not need the Demolition Expert perk to make these.

Locations

HalluciGen gas grenades are not randomly generated as loot. Instead, the HalluciGen gas canisters the Sole Survivor needs to craft at a chemistry station can only be found at HalluciGen, Inc., and are at a finite number of nine.

Notes

Some enemies are unaffected by the gas, as the game will indicate with a "<Name> is too powerful for this effect" notification.

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