Explosives Expert Image
Prerequisite: Requires an intelligence score of 13 or higher.
 

Through a profound knowledge of black powder and alchemical components, you gain the ability to craft experimental bombs to devastate and control the battlefield.

  • Gain proficiency with tinker's tools.
  • Craft bombs at half of the gold value. Additionally, crafting these explosives takes you half of the time.
  • The damage of bombs is increased by an extra damage dice equal to the number of your proficiency bonus.
  • Save DC for bombs is equal to 8 + proficiency bonus + intelligence modifier.

Crafting

Bomb crafting requires a tinker's tools skill check. This is performed by rolling a d20 and adding both proficiency and intelligence modifiers to the roll.

If the crafting DC (reference table) is not met when attempting to craft a bomb, the bomb is not created and the crafting materials are retained. On a critical failure, rolling a natural 1 when crafting the bomb, the bomb detonates causing its effects centered on you and losing the crafting materials required to craft the bomb.

Review table below for bomb recipes. Cost and crafting times have already been adjusted in accordance with this feat.

(Additional recipes can be crafted at your DM's discretion.)

NAME CRAFT DC CRAFTING TIME DAMAGE/RADIUS COMPONENTS/COST RANGE PROPERTIES
Bomb 12 2 hours. 3d6 fire (15ft sphere) blackpowder (75gp), a container and a fuse. 60ft

Effected creatures must make a DEX saving throw. On a successful save, the damage is halved. 

Heavy Bomb 14 4 hours. 3d8 fire (20ft sphere) blackpowder (150gp), a container and a fuse. 60ft

  Effected creatures must make a DEX saving throw. On a successful save, the damage is halved.

Shrapnel Bomb 14 4 hours. 3d6 piercing (15ft sphere) blackpowder (125gp), shards of metal (1lb), a container and a fuse. 60ft Effected creatures must make a DEX saving throw. On a failed save, effected creatures have their movement halved for 1 round. On a successful save, creatures movement is not halved and they take half damage.
Grease Bomb 16 6 hours. 3d6 fire (20ft sphere) blackpowder (175gp), grease (25gp), a container and a fuse. 60ft Effected creatures must make a DEX saving throw. On a successful save damage is halved. Additionally, the area is set alight for 1 minute, dealing 1d6 fire damage per 5ft of movement. The fire can be doused through magic or environmental effects such as heavy rain fall.
Acid Bomb 18 6 hours. 4d10 acid (15ft sphere) blackpowder (125gp), acid (125gp), a container and a fuse. 60ft

 Effected creatures must make a DEX saving throw. On a successful save, the damage is halved. 

Smoke Bomb 12 4 hours. (20ft sphere) blackpowder (20gp), incense (80gp), a container and a fuse. 60ft The effected area becomes heavily obscured for 1 minute. Duration can be effected by spells and environmental effects such as wind.
Flash Bomb 16 4 hours. (15ft sphere) blackpowder (50gp), powdered gemstone (150gp), a container and a fuse. 60ft Effected creatures must make a CON saving throw. On a failed save, effected creatures are blinded for 1 minute. Creatures can attempt to save again at the start of subsequent turns.

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Explosives Expert Image

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