From Dungeons of Dredmor Wiki
"Yarr, ye knew it had to be."
Piracy was added in the first expansion, Realm of the Diggle Gods. Note that this skill does not grant any additional bonuses when used in conjunction with pirate-themed equipment.
 Granted Abilities
|Plunder||-||Has a 10 % chance of spawning a random gem when killing an enemy.|
|Swashbuckling||44||Buffs the character with +75 for 4 turns.|
|Mists of the Corsair||80||Buffs the character with +20 and +50 for 8 turns. It also summons a cloud of smoke (lasts for 32 turns) in a 1 tile radius around the user pacifying and confusing enemies that walk into it.|
|The Black Spot||50||An enemy is debuffed for 20 turns with -20 -20 -20 -5 -5 -4 -4 -4 -10 and damaged once for 1.|
|Broadside||44||Damages a single target for 8 4 4 and knocks it back 2 tiles.|
Shoots 4 additional shots north, south, west and east and has two chances (25 % and 15 %) to fire an extra shot at the targeted monster. Each of these damages for ( 8 + 0.25 ) ( 8 + 0.35 ) with a 50 % chance to deal extra 6 and knock the object/monster back 2 tiles.
Every shot fired has a 75 % chance to drop a Solid Shot.