Grimheart Talisman (5e Equipment)
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Wondrous item, legendary (requires attunement by a creature that knows at least 1 spell)
This magical talisman is made of dark grey metal and bears a likeness to a small heart riddled in cracks. When worn around the neck, the talisman fills its wearer with a sense of grim contemplation and understanding about the world around them.
Imposed Will. While attuned to this talisman, your spell save DC increases by 2.
Mindward. While attuned to this talisman, you become immune to psychic damage, and no magic effect can read your thoughts or scry on you.