Weight

Weight is a statistic that affects how far an enemy will be knocked back when attacked by the player with a weapon.

Each weapon type has a default weight: Daggers have a weight of 5, swords 10, and clubs 15. Some weapons have a weight modifier, which is added to or subtracted from the default weight.^[1] Forging a weapon with Amethysts will add +10 per amethyst to the weight.

Amethyst Rings and innate enchantments affect the weight multiplicatively: the multiplier starts out as 1.0. Each Amethyst Ring adds 0.1 to the multiplier, while a "-X Weight" innate enchantment will subtract X/10 from the multiplier. The actual weight value is then the weapon's weight times this multiplier.^[2]

This means 2 Amethyst rings increase the amount of knockback by 1.2x, while a maximum-level innate enchantment (-5 Weight) will halve the knockback amount.

Weapons

The following weapons affect Weight. The effect is permanent while using the weapon.

Image	Name	Effect
	Crystal Dagger	Crit. Power (+50) Weight (+5)
	Wind Spire	Crit. Power (+10) Weight (+5)
	Claymore	Speed (−4) Defense (+2) Weight (+3)
	Dark Sword	Speed (−5) Weight (+5)
	Bone Sword	Speed (+4) Weight (+2)
	Lava Katana	Defense (+3) Crit. Power (+25) Weight (+3)
	Wood Mallet	Speed (+2) Weight (+3)
	Iron Edge	Speed (−2) Defense (+1) Weight (+3)
	Neptune's Glaive	Speed (−1) Defense (+2) Weight (+4)
	Galaxy Dagger	Speed (+1) Weight (+5)
	Galaxy Hammer	Speed (+2) Weight (+5)
	Ossified Blade	Speed (−2) Defense (+1) Weight (+2)
	Tempered Broadsword	Speed (−3) Defense (+3) Weight (+3)
	Dwarf Dagger	Speed (+1) Defense (+6) Crit. Chance (+2) Weight (+5)
	Dragontooth Shiv	Crit. Chance (+3) Crit. Power (+100) Weight (+5)
	Infinity Dagger	Speed (+1) Defense (+3) Crit. Chance (+4) Weight (+5)
	Kudgel	Speed (−1) Crit. Power (+4) Weight (+2)
	Dwarf Hammer	Defense (+2) Weight (+5)
	Dragontooth Club	Crit. Power (+50) Weight (+3)
	Infinity Gavel	Speed (+2) Defense (+1) Weight (+5)

Rings

The following rings increase Weight (knockback). The effect is permanent while the ring is equipped.

Image	Name	Effect
	Amethyst Ring	Increases knockback by 10%.

References

↑ See MeleeWeapon::defaultKnockBackForThisType and the places where it's used. Note that Data/Weapons.xnb stores the "modified" weights of each weapon directly, the defaults are only used for displaying.
↑ See BuffEffects::KnockbackMultiplier and MeleeWeapon::DoDamage.

Skills & Stats
Skills	Farming • Mining • Foraging • Fishing • Combat
Stats	Attack • Crit. Chance • Crit. Power • Defense • Immunity • Luck • Magnetism • Speed • Weight

[defaultWeight-1] See MeleeWeapon::defaultKnockBackForThisType and the places where it's used. Note that Data/Weapons.xnb stores the "modified" weights of each weapon directly, the defaults are only used for displaying.

[buffMultiplier-2] See BuffEffects::KnockbackMultiplier and MeleeWeapon::DoDamage.

[1]

[2]