>>534184442
Warf's s1 heals from max HP of the target, with the right target she will outheal anyone.
Warf's s2 is the best universal buff with no downsides.
If you want good medics
Sussuro is one of the best single target healers period.
Lena - Perfumer is the best just the best. She alone will be enough for all content until you hit status damage.