The harp crossbow deals consistent damage per shot, and fires continuously while the ranged attack button is held down. It fires barrages of several arrows at a time, though only consume one ammo per shot.
This is what the first Minecraft Dungeons recorded for this item.Harp Crossbow returns in Dungeons II, but Mojang has not shown it — a returning name can be redesigned, so treat this as the first game’s art rather than a picture of the sequel’s version.Half musical instrument and fully deadly weapon, the Harp Crossbow is the life of the party.Ranged WeaponUnique4.2Power14Speed4.1AmmoEven more projectilesUnique variants in the first game: Scatter Crossbow, Lightning Harp Crossbow.Minecraft Wiki — Dungeons:Harp Crossbow