Mythos/Marksman

Tinker
Tinker affects both flintlocks and rifles.
 * Passive
 * Description: "Modifications to your firearm provides it with an increased refire rate."

Piercing Barrage

 * Requires: Rifle.
 * Description: "A drilltip provides your ammunition with the ability to pierce targets, striking multiple foes in succession."

Rapid Re-fire
Increased rifle attack rate, increased damage, increased range. Costs mana per shot.
 * Requires: Rifle.
 * Description: "An ingenious rifle cartridge allows you to continuously discharge your firearm without reloading."

Black Powder

 * Passive
 * Description: "Careful adjustment to your firearm yields improved range."

Napalm
Receives bonuses from Wildfire and Blistering Heat.
 * Requires: Rifle.
 * Description: "You modify your ordinance, causing your rifle shots to mercilessly burn your foes, engulfing them in flames. Nearby foes are affected by the sheer heat of the fire."

Wildfire

 * Requires: Napalm, Rifle
 * Description: "Tendrils of flame ignite nearby foes burned by Napalm strikes."

Blistering Heat

 * Requires: Napalm, Rifle
 * Description: "A highly improved version of Napalm."

Note that "‡" denotes an unverified value.