Warning: major spoilers from Demon Slayer anime and manga!Out of all the modern shonen series, Demon Slayer is one of the best at capturing viewers’ attention with unbelievable surprises. From the most heart-shattering deaths to unexpected human characters turning into demons, Demon Slayer’s story is filled with unexpected shocks at every turn. Some of the best manga twists are yet to be seen in the anime series, leaving plenty of thrilling fights and devastating losses for the finale.