Archero Calculation
Price Of Strength 
Buffs/Debuffs =>
8second : 10% movespeed, 40% atk, regular dmg taken, 10% size, normal atkspd, 10% melee damage boost, 15% crit rate
2second : -5% movespeed, 28% atk, 1.1x dmg taken, 5% size, -15% atkspd, 10% melee damage boost
6second : -15% movespeed, -12% atk, 1.2x dmg taken, -5% size, -15% atkspd
See Stats here