Valiant Flame (5e Equipment)
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Wondrous item, uncommon (requires attunement by a barbarian, fighter, ranger or paladin)
This crimson gem, warm at the touch, can be attached to any melee weapon, as part of the process of attunement. Once attuned, you have advantage on checks made against the frightened condition.
In addition, this gem possesses 3 charges, that can be used to cast the spell heroism. The gem regain 1d3 charges daily at dawn.