It is arguably the worst path of any subclass and with the addition of Well of Radiance it seems even more worthless. In D1 you'd need two Titans to achieve the same affect as that super, so I have a solution. Make it to where you can shoot through the bubble and it gives a slight damage boost not as much as Well, but close enough. Well should offer more damage and bubble should offer more survivability.
This leaves the new commander path as useless, but just giving that a massive damage buff would justify using it over the new Ward of Dawn. (Even in it's current state it is worthless, since you do more damage by shooting) As it stands two thirds of Sentinel subclass are "useless" (very gimmicky) in PvE when they should be the strongest for the Titan. Either one of those would work, but both would be preferable.
[b][i]THESE BUFFS AREN'T MEANT FOR PVP[/i][/b]
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Ward of Dawn can be really good in PvP, especially in Countdown. I’ve had times where the enemy team planted a bomb and then I just warded it to defuse. They really couldn’t do anything about it lol. But yeah, I think they should buff it so it’s more viable. Maybe make it take more damage and you can shoot through it. That’d make a Well and Ward combo filthy. I don’t know if still does, but make generate orbs when it takes damage like in D1.