Add A Timer To Hallowed Ground And Maybe Another Change

[Pixel_Junkie]

So I mainly use this ability now to prevent knock downs and poisonings, but there is no timer. So i kinda have to guess when it will run out to recast, if I forget to do this i get caught in a mess of poison, knock downs, and even fire eximus. It just makes sense to have this, so please add.

 

Also the rectangular shape of this ability looks really unnatural; especially given Oberon seems to be using a nature based theme. So a change in shape would be nice. Also cast it partially under his feet, so i can use it as a panic button when a missile is about to hit me.