Blade Attachment adds a short sword for melee Cannon and Heavy Cannon Frames only Read more about Blade Attachment
Rune Stone Battery draws Soul from a socketed rune stone instead of the wielder stone not included Read more about Rune Stone Battery
Dual Core Housing Allows a second core to be installed in the weapon. The wielder chooses which core fires with each shot. Each core's Soul cost applies independently when that core is used. Compatible with Cannon Frame and Heavy Cannon Frame only. Second core must be supplied separately. Can be added at time of crafting or installed later by an Artificer using the Runic Tech Upgrade skill. Read more about Dual Core Housing
Elemental Amplifier Increases the elemental magic bonus die of precious stone cores by +1d4. Compatible with Crystal and Precious Stone Cores only. Does not apply to Ylem Cores. Can be added at time of crafting or installed later by an Artificer using the Runic Tech Upgrade skill. Read more about Elemental Amplifier
Runic Stabilizer Reduces the Soul cost per shot by 1 (minimum 1). Can be added at time of crafting or installed later by an Artificer using the Runic Tech Upgrade skill. Read more about Runic Stabilizer
Blade Attachment Attaches a short sword to the cannon frame allowing melee attacks. Compatible with Cannon Frame and Heavy Cannon Frame only. The sword's attack value is added to the cannon's melee attack when used as a bludgeoning weapon. Sword must be supplied separately; cost is the attachment fee only. Read more about Blade Attachment
Rune Stone Battery Sockets a rune stone into the weapon to act as a Soul reservoir. The weapon draws from the stone's stored Soul instead of the wielder's Soul directly. When the stone is depleted it must be recharged at the College of Arcana (10 shillings per 2 Soul). The rune stone is not included; must be supplied separately. Can be added at time of crafting or installed later by an Artificer using the Runic Tech Upgrade skill. Read more about Rune Stone Battery
Sight Improves Focus by+2. Can be added to any rune cannon frame at time of crafting or installed later by an Artificer using the Runic Tech Upgrade skill. Read more about Sight