Black knife tiche and mimic stand out as top picks but you've got solid options depending on your setup. For pure consistency, equip your mimic with bleed weapons like rivers of blood and heavy armor, keeping only the essentials equipped before summoning. Black knife tiche excels with her death effect and dodge skills, making her perfect for most encounters.

Good to know - positioning matters more than which ash you pick. The greatshield soldiers can tank hits while horned warrior applies constant pressure, and taylew the golem smith works great for caster builds needing a sturdy distraction. Latenna works too if you can place her safely, but she's risky since she can't move.

Make sure to upgrade your chosen ash to +10, and remember that different builds want different companions - aggressive types pair well with tiche, while mages might prefer taylew keeping bosses busy. Just watch your timing on the summon, since getting caught in an animation usually means death here.