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.
PASSIVE - When you are hit by an ability that deals Magical damage, gain 5% Magical Damage Mitigation for 5s. ICD 12s.
PASSIVE - Regenerates 0.2% of your max. Health every second.