Abhay if Apothecary Diaries is slow-burn, the Frieren is snail-pace. You don't need a low attention span to like to like action or fight scenes. Beware generalities or articles like this.
It is all about meeting expectations. If the episodes are truly like the level of Naruto series, can't wait! However, if they are on the level of Boruto (toned down for children) no thank you.