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.
Heal the target of your Protection for 300.
Increase your maximum Health by 150.
Increase the Movement Speed of your Protection target by 40% for 2s.
Generate 225 Shield after using Protection.
Generate 6 Ammo for the target of your Protection.
Increase the damage done by allies by 10% while they are Shielded by Protection.