BDO Dosa PVP AOS the situation was reversed 1

I picked up the scenes of the situations were reversed at the unranked AOS( Arena of Solare).
I always play the Awaking Sage and join in the ranked AOS with it.
But nowadays I want to try Dosa for the siege war, so I join in the unranked AOS with it for practice.
I think Dosa is not suited for AOS.
First, he has no grab, no attack debuff, no attack speed debuff, no team buff.
These make him a bit difficult to help teammates.
Second, I feel Dosa is not good at Berserker, but Berserker is the OP class and many people play it at AOS( Berserker is 28 out of TOP100 of JP_AOS, 2024/07/31)
Third, he still has many bugs... as the biggest problem, he can not recovery HP properly with WindShear at AOS.
But I think that he is suited for the siege war, especially battles in building.
So I keep practicing Dosa!
Thank you for your kindness.