User blog comment:QuantumFeint/The Skirmishing ADC Experiment/@comment-24795478-20150607085804/@comment-24558666-20150607121831

Sorry, but from what you are saying, I dont think you understand how math or percantage works. 20% damage reduction means enemy needs to do 125% of usual damage to kill you during that time.

Also I am not disputing usefulness of heal.