Oath of the ferryman

Call boat 3

Favored by death 7

 Voiager of the damned 15

 Flood of Styx 20

Call boat

You gain profecncy with water vehicles and once per long rest you can make a row boat appear at a point of your choice with in a 50ft cube centered on you 

Favored by death

Every long rest you gain 1d6 temprerary HP 

Voiager of the damned

Lesser undead don't attack you seeing you as there ticket to the afterlife

Flood of Styx

Once per long rest you can deal 10d8 necrotic damage to everything within a 80ft radius of you other than up to 5 target creatures you choose