Archives of Nethys

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Critical Hit Effects | Special Properties | Weapon Accessories | Weapon Fusions


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.
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Opportunistic

Source Starfinder Armory pg. 64
Item Level 2
The opportunistic fusion guides your accuracy when making attacks of opportunity and leaves your foes vulnerable to your attack. You gain a +2 bonus to attacks of opportunity made with this weapon. If your attack of opportunity hits, you gain a +2 bonus to the damage roll for that attack of opportunity. This damage increases by 1 if the weapon is item level 5, and by an additional 1 for every 5 item levels thereafter. Only melee weapons can benefit from this fusion.