The more hearts the more health link has and the more hits he can take before needing to replenish his health through various means.
Swap containers botw.
They re the only way to enhance link s abilities.
First off head to hateno village the nearest shrine to warp to is the myahm agana shrine which basically sits right next to the village.
In breath of the wild getting more heart containers is directly tied to increasing link s.
With each new heart container link gets another heart added to the meter in the upper left corner of the screen.
It essentially lets you pay 20 rupees to swap a heart for a fifth of a stamina wheel and vice versa.
Home zelda breath of wild zelda botw how to swap hearts for stamina where to find horned statue heart containers and stamina vessels are upgrades in zelda breath of the wild.