Kindred's Seal

Any monster that checks as at least Incredibly Easy Prey/Easy Prey to a level 50 or above character has a 33% chance to drop one Kindred's Seal upon its death.
Note: The pool for Beastman Seals, Kindred's Seals, Kindred's Crests, and High Kindred's Crests is shared, and only one seal/crest may drop at a time.

Farming Areas

Promyvion - All normal monsters on the third floor of the first 3 Promyvions have a 5% chance to drop an additional Kindred's Seal.