Weapon Traits
Each weapon, with the exception of Longbow and Crossbow, has one or several weapon traits with various effects on combat.
Armor Piercing
"50% of damage inflicted ignores armor".
Applies to Warhammer.
Damage Absorption
"Negates 25% of damage taken at the cost of weapon durability".
Damage Bonus
Inflicts bonus damage to foes based on certain factors.
Chest Damage Bonus
"+50% damage when the foe has no Chest Armor and has less than 2.0 armor points."
Riding Damage Bonus
"200% base weapon damage while riding a mount or vehicle".
Applies to Lance.
Throwing Damage Bonus
"0% to 100% damage bonus when thrown depending on the charge progress".
Applies to Throwing Axe, Throwing Knife and Javelin.
Unarmoured Damage Bonus
"+100 damage when the foe has no Armor and has less than 2.0 armor points".
Applies to Rapier.
Enhanced Knockback
Weapons with this trait will knock foes further away. This trait has the same effect as the vanilla Knockback enchantment of the same level. It stacks with vanilla Knockback, but not Advanced Knockback.
Applies to the Hammer
Nauseous Blow
Inflicts the Nausea II effect on a foes the weapon hits for 5 seconds.
Applies to the Club and the Hammer
Quick Strike
"This weapon can deal a flurry of quick blows with a very short hurt resistance time."
Applies to the Caestus.
Reach
Weapons with this trait, due to their length, are able to hit foes from further away.
Reach II increases the hit distance even further.
Applies to the Greatsword (I), Spear (Spartan Weaponry) (I), Halberd (I), Glaive (I), Pike (II) and the Lance (I)
Shield Breach
Has a chance to make a foes shield unusable for a period of time, just like using an axe does.
Also works on Shields from other mods, like Spartan Shields.
Applies to the Halberd
Sweep
[1.12.2 only]
Weapons with this property will inflict 1 damage (I), half attack damage (II), or full attack damage (III) to all targets that get hit by the sweep attack.
Applies to the Glaive (I), Katana (I), Longsword (I), Saber (I), Quarterstaff (II), and the Greatsword (III)
Throwable
Weapons with this trait can be thrown at foes, dealing the weapon's damage to the foe it hits. Applies to the Dagger, Throwing Knife, Throwing Axe and the Javelin.
Two-Handed
Weapons with this trait are rather cumbersome to carry around and are optimally used with both hands. Attempting to use any item in your offhand will result in a Mining Fatigue effect being inflicted to the player, and attack speed will be reduced.
Two-Handed I will inflict Mining Fatigue II, while Two-Handed II will inflict Mining Fatigue III.
Applies to the Battleaxe (I), Glaive (I) Katana (I), Longsword (I), Pike (I), Quarterstaff (I), Warhammer (I), Halberd (II), and the Greatsword (II),
Versatile
Can mine blocks the same an axe of identical material, at the same mining speed.
Applies to only the Battleaxe