Lerasium would just be impractical, feruchemy or bust, ya know?
I feel like breaths would be useful, but not as useful as plate and blade.
I would feel kinda bad about 'not exercising because you can lift anything instantly' thing, but besides that, plate and blade are just goated.
Although making them invis would be a must.
Breaths does have pitch perfect and perfect color eyes and glowing going for it, but awakening would be far too impractical to use, and life sense is the only real useful buff.
Yeah, prob plate and blade.