To make the DW more tanky and decrease the amount of useless DW skills, I suggest we increase the duration of Dragon's Portection as you add skill points.
So for example: Lvl 2 gives a 30 sec duration and lvl 3 gives a 60 seconds, or something in that range. I think the duration should be inceased significantly because maxing out a skill usually gives a big boost.
I think this can be a very useful tank skill, but the duration is so short that it really isn't worth it. Especially with a 5 minute cooldown which is waaay too long for 20 second def boost. Additionally, players would also have to make tougher decisions when creating their builds as opposed to just adding a point to get to Dragon's Punishment.