Durable

General Feat (Prerequisites: Level 4+)

Ability Score Increase. Increase your Constitution score by 1, to a maximum of 20.

You gain the following benefits.

Defy Death.

You gain a 4th Death Save. (Chardenfell house rule modification)

Speedy Recovery.

As a Bonus Action, you can expend one of your Hit Point Dice, roll the die, and regain a number of Hit Points equal to the roll.

Source: PHB'24, page 203