Storm King's Thunder
Giant Slayer Greatsword
Giant Slayer rare weapon Requires Attunement
Weapons forged in the frontiers of the world, this weapon grants a +1 bonus to attack and damage rolls made with this magic weapon. When you hit a giant with it, the giant takes an extra 2d6 damage of the weapon's type and must succeed on DC 15 Strength saving throw or fall prone. For the purpose of this weapon, "giant" refers to any creature with the giant type including ettins and trolls.
If purchased in Bryn Shander – this particular greatsword additionally emits a frost blue illumination when drawn shining light out to 30 feet from the wielder.