To use Heart of the Sea, we as a user are asked to craft a Conduit that needs other materials apart from the Heart of the Sea. Nautilus shells are that other material, 8 of them exactly.

Heart of the Sea requires: 50 logs 50 fresh fish 10 bone piles 1 Sea King’s Blood 15 Angelic Feather 10 Undead Ooze You might already have everything you need, depending on how much you’ve ...