Based on the hero "Abaddon" from Dota 2.
Karmic Justice = Aphotic Shield.
The Darksword moveset is similar to Abaddon's attack animations.
If you REALLY want to emulate him, eat one Elizabeth's Mushroom when you have low health. ONLY ONE. This is your Borrowed Time.
<a href="http://dota2.gamepedia.com/Abaddon" target="_blank" rel="nofollow">dota2.gamepedia.com/Abaddon</a>