The Crown of 7 Spikes
The Crown of 7 Spikes is a polished metal steel helmet with 7 spikes protruding from the top. This item of magic requires attunement. Those attuned and wearing the helmet can resistance to psychic damage and advantage to charm saves. As a bonus action the wearer can inspire someone else around him to gain a +1d6 bonus to any ability check or attack roll until the end of the wearer’s next turn.