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. 63
Item Level 5
A projectile weapon with the energetic fusion relies on energy rather than physical ammunition to generate kinetic attacks. Instead of being loaded with darts, rounds, or scattergun shells, the weapon is loaded with a battery. The type of battery the projectile weapon uses depends on its original capacity as follows: 1–20 use batteries, 21–40 use high-capacity batteries, 41–80 use super-capacity batteries, and 81 or more use ultracapacity batteries. The weapon’s usage does not change, but it takes charges from the installed battery, rather than expending physical ammunition. The fusion converts the energy into physical bullets which target KAC and deal damage normally for the weapon. Only weapons in the projectile category that would normally use darts, rounds, or scattergun shells can benefit from the energetic fusion.