No. The demo is a separate NSP (approx. 2.2 GB). It only includes the first two levels.
Guide – How long is Hyrule Warriors: Age of Calamity? - Nintendo Wire hyrule warriors age of calamity nsp
: You'll hack-and-slash through thousands of enemies like Bokoblins and Moblins using a diverse roster of playable characters, including Link, Zelda, Impa, and the four Champions. hyrule warriors age of calamity nsp
elements like the Sheikah Slate, paragliding, and environmental puzzles. : Features 18 playable characters hyrule warriors age of calamity nsp