Dad's Account Book is an unlockable trinket in Damnation, a mod for The Binding of Isaac.

Every minute, Isaac gains a money-saving plan, asking him to have enough money within 1 minute.
The target will always be more than Isaac's current coins for 5~14¢.

After 1 minute, if Isaac successfully reaches the target amount of coins, for each cent he earned within this period, gains one of the following stats ups randomly:
• +0.02 speed.
• +0.35 fire rate.
• +0.5 flat damage.
• +0.5 range.
• +0.02 shot speed.
• +1 luck.

The bonus only exists while helding this trinket.

Defeat Lamb as Lizzy

The following special synergies and interactions for Dad's Account Book have been documented.

* Note that not all possible synergies and interactions are listed here.

• Download Damnation from the Steam Workshop.