The vows

A restraint sworn at the door for chip credit. Stacking compounds both the difficulty and the reward — he reads them back to you and keeps the count (The Declaration).

Vow	Restraint	Credit
Vow of Silence	No His Offer, all night. He makes it anyway. Manners.	+25/room
Vow of Patience	Stand on any first 17, hard or soft. Sit with what you are given.	+30/room
Vow of the Stranger	Begin with no charms at all. Arrive as you actually are.	+60/room
Vow of Austerity	No doubling. Boldness is lovely; you have sworn it off.	+35/room
Vow of Mourning	No splitting. What comes paired, stays paired.	+35/room
Vow of Penance	A push counts against the bar, as a loss. Ties are for the living.	+50/room
Vow of Frugality	Every room opens 25 hours lighter. He collects at the door.	+40/room
Vow of Devotion	No surrender. He does like to see a thing through.	+25/room
Vow of the Cold	He hits soft 17 all night, whatever the room says. He is grateful for the excuse.	+30/room
Vow of Iron	Your blackjack pays 1:1; his still pays 3:2. You agreed to this, remarkably.	+75/room
Vow of Vigil	One more hand in every room; every target 15% higher. Time is never free.	+0/room