Dragon Slayer Quarterstaff

You gain a +1 bonus to attack rolls and damage rolls made with this magic weapon.

The weapon deals an extra 3d6 damage of the weapon's type if the target is a Dragon.

Topple (Mastery): If you hit a creature with this weapon, you can force the creature to make a Constitution saving throw (DC 8 plus the ability modifier used to make the attack roll and your Proficiency Bonus). On a failed save, the creature has the Prone condition.

Versatile: A Versatile weapon can be used with one or two hands. A damage value in parentheses appears with the property. The weapon deals that damage when used with two hands to make a melee attack.

Proficiency: simple, quarterstaff Source: Dungeon Master's Guide (2024) p. 254