What determines the number of hearts Wolf Link has?

//ads -- adsterra.com -- native banner
?>
When Amiiboing Wolf Link in, what determines the number of hearts he has? I heard it was defined by your Twilight Princess HD savefile on WiiU, but does that mean if you play on Switch you are stuck on minimum hearts?
Pictures about "What determines the number of hearts Wolf Link has?"



How does Wolf Link get more hearts?
So I'm not one to cheat in games, but the idea of having Wolf Link as my best buddy in Breath of the Wild was just TOO exciting. However, as many of you know he only has three hearts unless you finish the Cave of Shadows in Twilight Princess with more and then save that to the Amiibo.How many hearts can Wolf Link have?
In Breath of the Wild, it's the king of temporary hearts. A single cooked Hearty Durian will restore three hearts, but more importantly, it'll give you +4 temporary hearts. Cooking five of these in a meal will naturally give you +20 temporary hearts, which will make most boss fights feel much more relaxed.How do you get 20 hearts Breath of the Wild?
You can use it once a day (not 24hrs, but once every calendar day) So if he dies on you at 9PM, He can come back 3hrs later at midnight.Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: alleksana, alleksana, Miguel Á. Padriñán, Miguel Á. Padriñán