Vicious Weapon [Жестокое оружие]
Оружие (любое оружие), rare
Recommended cost: 501-5 000
Weapon (any), rare
When you roll a 20 on your attack roll with this magic weapon, your critical hit deals an extra 2d6 damage of the weapon's type.
Source: D&D System Reference Document 5.1, © Wizards of the Coast LLC, licensed under CC BY 4.0.