Demolisher, and is useful early in the game. This build can be proven deadly if you have extreme fire rate and damage.
Tools | Fishing Rod • Spyglass
Weapons | Cannon
Basic Upgrades | Distance Upgrade • Attack Speed Upgrade • Damage Upgrade • Ship Speed Upgrade
Ship Upgrades | Air Pegleg • Nitro Peg • Reinforced Planks • Steel Reinforced Planks • Advanced Toolkit
Cannon Upgrades | Steel Barrel • Sinker's Gloves • Blue Gunpowder • Titanium Barrel
Hybrid Upgrades | Bruiser • Drifter • Demolisher
Other | Fountain of Youth