Regeneration

Regeneration is a magic effect, usually found on a magic item such as a piece of jewelry or armor, that increases In-Combat Health Regeneration Per-Tick of the caster by x, where x is the value following Regeneration.

For example, Regeneration I increases Health Regeneration by 1.0 every 6 seconds (1 tick), while Regeneration IV increases regeneration by 4.0.