The Silver Dagger is the strongest dagger in Aberoth, with 16 attack, 2 pixels of range, and a dagger skill requirement of level 30. It inflicts 1 to 3 points of additional silver damage upon most hits when fighting Vampire Bats and the Werewolf.
Sources[]
It is rarely (1-2%) wielded and dropped by the Lich.
Prices[]
Sholop buys silver daggers for 423 gold and sells them for 3,500.