Esker
Hero
Here's the text currently in D&D Beyond (emphasis mine):
- When you use a healer's kit to stabilize a dying creature, that creature also regains 1 hit point.
- As an action, you can spend one use of a healer's kit to tend to a creature and restore 1d6 + 4 hit points to it, plus additional hit points equal to the creature's maximum number of Hit Dice. The creature can't regain hit points from this feat again until it finishes a short or long rest.