Task Finder
...
The Marika's Soreseal is one of the Talisman items in Elden Ring that can raise attributes when worn.
The Marika's Soreseal can be obtained at Elphael, Brace of the Haligtree. It is located on an altar behind an imp statue-sealed room in the lower levels of the hailgtree, requiring a Stonesword Key to unlock.
The Marika's Soreseal increases your Mind, Intelligence, Faith, and Arcane by 5 points each, but also increases damage taken by around 15%.