Rewind
From HoNWiki
Rewind

Chronos steps back through time when damaged, giving him a chance to undo damage taken quickly. Can't touch this! 
Skills Table[edit]
Level  Mana Cost  Cooldown  Cast Range  Area of Effect  Duration  Effects 
1  N/A  N/A  N/A  N/A  N/A  10% chance to heal damage taken. Heal occurs at a rate of 25% of maximum health per second. 
2  N/A  N/A  N/A  N/A  N/A  15% chance to heal damage taken. Heal occurs at a rate of 25% of maximum health per second. 
3  N/A  N/A  N/A  N/A  N/A  20% chance to heal damage taken. Heal occurs at a rate of 25% of maximum health per second. 
4  N/A  N/A  N/A  N/A  N/A  25% chance to heal damage taken. Heal occurs at a rate of 25% of maximum health per second. 
Notes
 This ability is not an Evasion modifier, therefore this skill stacks with Evasion.
 There is a 2 second cooldown on the animation. The cooldown time on this skill only prevents the visual effects from replaying. This skill may block damage even while in cool down.