Engine of Destruction Feat 18
Source Pathfinder Guns & Gears
Prerequisites construct innovation
Your construct unleashes a broad swath of devastation by separating its limbs, deploying Hidden armaments, or using a similar technique to wreak havoc. You Command your innovation. Instead of its normal actions, it Strides once, then makes a Strike against each foe within 30 feet of it with a +2 circumstance bonus to its attack rolls. The multiple attack penalty doesn't increase until after the construct makes all the attacks.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
InventorThis indicates abilities from the inventor class.