From Dota 2 Wiki
Main Article: Runes#List
- Restores in the form of regeneration, so it restores 0.6% of max health and 0.6% of max mana in 0.1 second intervals.
- Can heal up to 180% of max health and 180% of max mana when healing for the full duration.
- Can fully heal and replenish the user in 16.67 seconds.
- The buff disappears once the hero is at full health and mana.
- Damage greater than Roshan dispels the effect.
from any player (including allies and self) or
- Does not get dispelled by damage flagged as HP Removal.
- The buff of multiple Regeneration Runes does not stack, but refreshes the duration instead.