This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Hitting a player with Revolver Heals you for 45.
Heal for 40% of the damage Absorbed by Reversal.
Heal for 90 after hitting at least one enemy with Defiance.
Heal for 80 after activating Nether Step.
Reduce all active Cooldowns by 30% after getting an Elimination.
Reversal always fires back and does an additional 800 damage.