Bramble Serval

Rarity: 7

This mysterious feline was found roaming the woods by moonlight. Though their pelt is soft, you need to watch out for their thorns!

Custom Familiar
- Species: Serval
  - Brings back 1 extra item on spooky day events.
  - Brings back 2 blackberries on any activity, monster hunt, and prompts.
  - Brings back 100 Opals on any activity, monster hunt, prompts, events, NPC request boards, bandit raids, and secret monster hunts.
Owned by Lily
Resale: 2500 Opals

Source:

Custom Familiar; Unobtainable