There seems to be a problem with the Seeker's skill Harad's Shield When you use it for the 1st time and get 10 stacks of the damage buff and then use it a 2nd time, before the damage buff from 1st usage has expired, it will not overwrite/extend the buff from the 1st use of the skill and the buff will expire based on the duration of the 1st usage making the 2nd shield damage buff useless.   It's not really a major issue if you use it at the right time but this will make the "shield