The Sunsword
Legendary Longsword Hilt
As an action, cause a Longsword blade of pure light to appear from the hilt (Use your choice of DEX or STR).
While lit, it deals Radiant damage (+1d8 to Undead) and sheds light as a Torch (action to double or halve the distance).
1/Encounter, the blade flares to protect you, causing an attack to miss.
Sentient blade, WIL+, Telepathy/Blindsense 12.
Gains an additional effect depending on the soul powering it (https://www.strahdreloaded.com/Act+IV+-+Secrets+of+the+Ancient/Arc+S+-+A+Sword+of+Sunlight):
All 1/Encounter:
- Action. Undead in the sword's light make a WIL save or Frightened.
- Action. Heal 10 x KEY HP (range Touch).
- Reaction. Defend with +5 armor.
- Action after hitting. Deal +KEY d8 damage.
- Action. You have advantage on saves from Undead. (Reluctant souls would grant no additional effect.)