Average first play thru is 16 hours. If you want to collect everything 100%? its longer, second play thru are around 12 hours
Sounds like a sizable adventure for a portable. Man, I can't wait to sink my teeth into this one!
PSA: This might be a good time to remind everyone that you can filter stories here on the site, especially if you are hoping to avoid spoilers of a Hyrulian nature. This is available only to registered members.
Edit Profile > Custom Filters > Games Type "breath" or other keyword to find a game, and make sure it says "Exclude".
Bam. Media blackout on that until you tell us otherwise.