Amulet of Hruggek's Fury

This arcane amulet is fashioned from a round onyx stone, studded with splinters of bone to look like the head of a morningstar.

God of Terror. The attuned wearer may add or double their proficiency to Intimidation checks.

Lord of the Ambush. Once per long rest, the attuned wearer may roll a Stealth check with Advantage. Also, successful attacks made during a surprise round deal an extra 2d6 of the weapon's damage.

Savage Warrior. Once per short rest, the attuned wearer may double their damage dice on one successful attack. The wearer may choose to exercise this power after the attack roll has been made.