Helbindi which weapon?

His legendary weapons nice but I'd rather change it since I'll use tactic buffs on him anyway which are bigger and every round.
-spd+res so i was thinking with distant counter maybe a slaying axe,quick riposte, aether and res refine or i coild give him winter chroms weapon for further bulk with quick riposte and heavy blade seal so he can charge aether quickly
I could give him wrath too, so maybe woa gun, wrath steady breath, qr seal and aether? Ughhguhg idk, open to any suggestions, maybe a special spiral build could work?
Any suggestions are appreciated!