Dragonsbane

Dragon Killer

The Dragonsbane, also known as Dragon Killer, is a powerful sword in the Dragon Quest series. True to name, it deals 50% more damage to creatures from the dragon family in nearly every game it appears, and this multiplier will stack with skills such as the Dragon slash and the Flame Slash. In later games, it can be upgraded to the dragon slayer.

Appearances

Dragon Quest II

Dragonsbane can be bought for 8,000 gold. It has an attack bonus of +50 and can only be equipped by the Hero, though it is merely a strong weapon without any extra capabilities in it's debut.

Dragon Quest III

The dragon killer has an attack bonus of +79. It can only be equipped by the Hero and Warriors. It can be bought for 15,000 gold in Samanao and sold for 11,250 gold.

The sword starts to deal extra damage in this instalment, but instead of the familiar +50%, it instead deals 16~32 extra points of damage, calculated separately from normal damage equations. This means that the effects of oomph will not increase the range to 32~64.

Dragon Quest IV

The dragonsbane has an attack bonus of +90. It can be bought for 15,000 gold in Rosehill and Riverton and sold for 11,250 gold. The Hero and Ragnar can equip it. IV codified the percentage-based effectiveness of the sword, and allowes for the bonus damage to be effected by attack augmentation.

Dragon Quest V

The dragonsbane has an attack bonus of +90. It cannot be purchased until generation 3 though, at Whealbrook and Precaria, and it's not cheap either (15,000 gold).

NOTE: The dragonsbane multiplies damage differently depending on which version of V is being played. In the SFC version it uses the standard 1.5 multiplier, 2.0 in the PS2 remake, and 2.25 in the DS remake. The likely reasons for these improvements is response to fan criticism of the Metal dragon, Black dragon, and Great dragon enemies obscene strength compared to average player level when first encountered.

Dragon Quest VI

The dragonsbane cannot be bought, but it can be sold for 11,250 gold or 11,625 gold after it's been upgraded. It has an attack bonus of +95 and a style bonus of +35 (+55 after it's been upgraded). It also does 1.5 times more damage to dragons. It is dropped by Hell gladiators. The Hero, Carver, Amos, Terry, Lizzie, and Goowain can equip it.

Dragon Quest VII

The dragon killer has an attack bonus of +83 and an appearance bonus of +35. It can be equipped by the Hero, Kiefer, and Aira. It can be bought for 20,000 gold and sold for 10,000 gold. It does 1.5 times more damage to dragons.

Dragon Quest VIII

The dragonsbane has an attack bonus of +72, and deals 30% more damage to dragons. It can be upgraded into a dragon slayer and can be equipped by the Hero and Jessica, provided she can use swords. It can be bought for 11,000 gold in Orkutsk and Tryan Gully and sold for 6,000 gold.

Dragon Quest IX

Desc: A might masher that's merciless even against the scales of dragons.
Attack: 73, 20% more damage to dragons
Rarity: 1 star
Recipe: N/A
   Buy: 10000 gold   Sold In: Wormwood Creek
  Sell: 5000 gold
Equipable Classes:

Mandrake marshals will drop them rarely.