Regeneration

Regeneration is a status effect that restores a player's (or mob's) health over time.

Effect
The amount of health healed over time is shown in the table below: Amplifiers outside the range 0–31 (corresponding to levels 1–32) are used modulo 32, making level 33 the same as level 1, etc.

Immune mobs
Undead mobs and ender dragons are unaffected by Regeneration.

ID