Archives of Nethys

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Weapon Fusions

A weapon fusion is a small, prepackaged add-on that can be attached to any weapon to infuse it with magic. Adventurers use weapon fusions to customize their weapons for a specific enemy or to increase a weapon’s overall effectiveness. Weapon fusions are magic unless stated otherwise. While this causes the weapons they are installed in to be considered hybrid items, in truth the weapon and the fusion still operate separately. An ability that affects a magic item could affect the fusion installed in a weapon, but that would not prevent the weapon’s core function from operating normally unless the weapon was also independently a magic device. The hybridized fusion (see page 194) is an exception to this rule, as noted in its description. Weapons with fusions are considered magic for the purpose of overcoming damage reduction.
Click here for the remaining rules on Weapon Fusions.


Source Starfinder Armory pg. 64
Item Level 5
A weapon with the obscuring fusion emits mist, smoke, or a similar obscuring vapor when wielded. After attacking with the weapon, as a move action you can cause the weapon to emit enough vapor to conceal you until the start of your next turn. This effect ends immediately if you move for any reason from where you made your attack. This concealment does not interfere with your attacks or benefit others, even if they move into the space you attacked from, and you can’t use it to hide. Conditions such as strong wind or vacuum that quickly disperse vapors negate this concealment. Only projectile weapons or those that deal cold or fire damage can benefit from this fusion.